Science Lessons: Beyond the Effective
School Myths
Lewis Perelman
Going to school is clearly
one of the most broadly shared of American social experiences. It powerfully frames the publics idea of
what learning environments should look like -- whether in a seventh-grade classroom, a college
lecture hall, an adult literacy course, or a corporate training seminar. As a result, the design and practices of our
childhood schoolrooms tend to be reproduced in most education and training
settings, even those that aspire to be nontraditional or radically
innovative. Despite decades of
experience with models, demonstrations, and experimental programs, the New
American School persistently gravitates back to our familiar models of school,
classroom, and teaching. In reality, these widely shared stereotypes of
effective schools routinely and profoundly violate what scientists have come to
know about how people learn most effectively, and the conditions under which
people apply their knowledge best in new situations. A powerful knowledge base called cognitive science provides the
evidence. Cognitive refers to
perceiving and knowing, and cognitive scientists work to understand how we
think, remember, understand, and learn.
Their research is very diverse.
They observe children learning mathematics or experienced workers
handling on-the-job knowledge and judgment demands. They program computers to
do complex problem solving or to simulate intelligent behavior. They analyze
the very nature of meaning.
In recent years, cognitive
research findings have challenged much of the conventional wisdom about how
teaching and learning work. Distilled,
this research contradicts a number of popular myths that, at great cost,
continue to shape the bulk of education and training efforts not only in
America but around the world.
Myth 1:
People learn best in school.
In reality, the vast majority and most productive share
of human learning takes place in real-world settings outside of schools. Moreover the traditional design and
practices of even excellent schools are either divorced from or contradictory
to the natural learning abilities most people are born with.
Cognitive
research shows that learning in context
is essential to acquiring knowledge and skills that are truly useful to working
and living. Context turns out to be
critical for understanding and, thus, for learning. The importance of context lies in the meaning that it gives to learning through the workings of the
humans natural learning system. Human
beings --
even the small child --
are quintessentially sense-making, problem-solving animals. As a species, we wonder, we are curious, we
want to understand.[128]
Context is evidently
critical in using and understanding language.
Most of us readily can recognize that words have meaning in relation to
the context in which they are appear.
Consider, for instance, the use of the word saw in Jim saw
the wood and Saw the wood, Jim.
Cognitive scientists
believe that all knowledge, like language, is inseparably linked to its
context. Ideas, concepts, or skills are
tools whose meaningcan be understood only in relation to the circumstances in
which they are used.[129] If you are from an isolated society that has
no experience with a cork or a bottle (much less wine), you probably wont
know how to use a corkscrew, or even what it is. In the context of Chinese culture, nitrate explosives were prized
as entertaining fireworks -- in the European context the same technology was
appreciated more as gunpowder.
The human brain is designed
and developed to learn through experience.
And experience has no meaning except in relation to some context. For instance, we are taught in driving
school that a red light means stop.
After years of driving experience, stopping when you see a red light
becomes a reflexive habit. But we go
about our business every day surrounded by all kinds of red lights -- in a store window, on a Christmas tree, in a TV
picture, on a toaster, and so forth -- without suddenly stopping dead in our tracks. Weve learned to stop at a red light only in
the proper context: driving a car down
the street facing a special kind of red light in a device like a traffic light
or taillight that is designed to be a signal.
This learning in context
doesnt take any great genius. A pigeon
or even a roundworm --
whose whole nervous system has just a couple of hundred cells -- learns the same way.
Thats what learning is.
The inventions of spoken
language to represent experience and then of abstract, written symbols to
represent words and numbers enabled humans to learn from experiences that were
remote in space or time. The impact of
these innovations on human society of course was explosive. But learning through the transmission of
abstract, printed symbols works in direct proportion to the degree that the
symbolic representations hook up to real human experience. The more
disconnected symbolic communication becomes from the context of authentic, personal
human experience --
your own experience, not someone elses long ago and far away that youve never
seen or felt --
then the more meager learning becomes until it degrades to no more than mere
memorization or, at worst, total confusion.
Yet education generally
just wants us to be right. Typically,
academia evaluates the success of school learning by counting the number of
correct responses on tests. The public
has been misled to believe that answering a predetermined number of questions
correctly is the scientific way to measure learning achievement. In fact, an entire industry is now in the
business of making these tests more sophisticated and elegant.
Unfortunately, as long as
learning continues to be mismeasured by tests that mandate right and wrong
facts for answers, educators are prompted -- almost forced -- to break complex tasks and ideas out of the
productive context in which those elements are applied. The
seamless fabric of knowledge instead is shredded into school subjects
that can be taught and learned separately.
But cognitive science knows that people who are forced to learn
disconnected subroutines, items, and subskills wind up losing comprehension of
the bigger picture, the natural context that gives their actions meaning.[130]
Real-life experiences, and therefore knowledge, do not come
chopped up in discrete subjects but are
invariably interdisciplinary.
Disciplines such as chemistry, economics, calculus, finance, Spanish
literature, fine arts, and American history are arbitrary domains defined for
the convenience of researchers, academic administrators, or would-be
specialists. Dennis Meadows, head of
the Institute for Policy Studies at the University of New Hampshire, has
pointed out that we would think it bizarre for a geographer to specialize in
knowing everything about the surface of the earth between eight hundred and
nine hundred feet above sea level and nothing else -- but thats pretty much the way the academy attempts
to organize and transmit knowledge.
This is not to deny that
learners must perform simple subtask operations from time to time in school
and in life. Indeed, studies of
apprentices show that novices start with simple tasks. Nonetheless, they perform these simple tasks
in context. By observing how
the master executes different but related subskills to achieve the end process
or product, apprentices develop a conceptual map of the target task, an
advanced organizer that helps when they first attempt to execute the complex
skill themselves.[131]
For instance, Zinacanteco
Indian girls in Mexico are introduced to weaving at an early age by first
simply observing their mothers, then later helping with basic tasks such as
boiling yarn and dyeing wool. With
considerable maternal guidance, the girls begin to do their own weaving around
age eight, and within three or four years they develop enough skill to be able
to weave almost independently.[132]
Context-connected learning
should not be confused with simple notions of practical or applied instruction
as in the idea of vocational education.
A relevant context for learning comes out of specific,
real-life situations of the learner; vocational curricula often fall short by
attempting to transmit skills for use in specific situations which may
or may not be relevant to the learners real-life experience.
There are examples of
educational institutions that have adapted their practices to the necessity of
learning in context. At McMaster
University School of Medicine in Ontario, students start their medical studies
immediately with clinical problems, meeting regularly with each other and a
resource person in tutorial groups.
Tutorials are organized around major biomedical problems that cannot be
solved unless students understand physical, biological and behavioral principles
and know how to collect data and evaluate evidence. The students bear the responsibility to determine, with faculty
help, what they need to know and then to learn it.
The medical school in
Maastricht, in the Netherlands -- where the government assigns students to medical
school by lottery --
uses a similar approach. Despite having
had no formal instruction, Maastricht students on average score higher on tests
of anatomy than do residents trained in the Netherlandss traditional
lecture-approach medical schools. After
seven years in school, 88 percent of the Maastricht schools 1974 class had
received diplomas, versus 21 percent of students in other schools.[133]
These examples also
suggest, however, the limitation of conventional schools and colleges to adopt
authentic-context learning as their standard practice. Medical and other vocational schools have a
specific, real-world context of professional practice to which they can
justifiably connect the total learning experience they offer.
But general education
institutions serving general populations face the daunting mission of
connecting learning to virtually the total spectrum of human motives,
experiences, and real-life contexts.
That only can be done by customizing instructional services to the needs
and goals of each individual learner.
HL technology now can provide that degree of fine-tuning, and can bring
the sight, sound, and even physical experience of real-world contexts to the
learner. The traditional academic
technology of classroom, textbook, and teacher cannot.
Myth 2:
School is preparation for working in the real world.
The point of going to
school, we have been told, is to prepare students for effective and responsible
functioning outside of school, especially in the workplace. We assume that students will automatically
transfer and apply the concepts, skills, and knowledge they acquire in the
classroom to other life and work situations.
Cognitive researchers,
however, have found that the conditions in which knowledge transfers are
neither obvious nor common. Researchers
do know that people routinely apply basic skills -- the three Rs -- to new situations with some success. But extensive cognitive research, spanning
decades, keeps finding circumstances in which people dont predictably apply
knowledge learned in one situation to another.
Three situations where it seems knowledge should transfer -- but doesnt -- stand out.
From
school to life. Educators and reformers routinely praise our
traditional school curriculum because the knowledge and concepts it teaches are
general. In their view,
general concepts and knowledge are valuable because students can use them in a
wide variety of situations beyond the classroom. But are the knowledge, skills, and strategies acquired in formal
education in fact being used appropriately in everyday practice?
The answer, according to
the best research addressing this question, is no. For instance, researchers have found that
when college students who have mastered solving book problems in physics
courses are asked to analyze ordinary phenomena, the students revert to
intuitive explanations that violate Newtons laws. In one study, 70 percent of the engineering students who had
taken a mechanics course incorrectly claimed that a coin, after being flipped
up in the air, was still acted on by some upward force -- in fact, only the force of gravity affects the coin
after it is released. Another study
found that nearly half the students who studied physics argued that an object
expelled from a curved tube would continue moving in a curved path -- rather than in a straight line, as Newtons law of
inertia dictates. Significantly, the
students in these studies get high scores on standardized tests and honor
grades in physics courses. They simply
have not made much connection between academic knowledge and the real world.[134]
Likewise, studies of expert
radiologists, electronic troubleshooters, and lawyers all reveal a surprising
lack of transfer of theoretical principles, processes, or skills learned in
school to professional practice.[135] Ask your own physician or attorney whether
the courses they took in medical or law school have much use in the work they
do every day and the chances are very high they will tell you: not much.
From
life to school. Psychologists have recognized for a long
time that intelligence is built out of interaction with the environment. Indeed, all human waking experience (and
maybe even some part of sleeping experience) is directly connected to the
natural process of learning. Experience
from which a person learns or remembers nothing arguably can be said not to be
experienced at all.
People learn outside of
school all the time, but once they walk in the school doors, what do people do
with what they learn in life outside the classroom? Does sound, everyday practice get applied to school learning?
Once again, scientific
research tells us no. In a
well-known research study, a middle school teacher working with students who
had failed in mainstream classrooms discovered that one of his students had a
regular job scoring for a bowling league.
The work demanded fast, accurate, complicated arithmetic. Other students had similar arithmetic
success calculating their paper route change or shopping mall purchases.
But after lecturing the
students on how smart they were in practice, and devising problem sets from
which the students could choose bowling score, paper route, or shoe purchase problems
to solve, the teacher reported a startling result: The students seemed incapable of arriving at correct answers when
their real-world expertise was tested through classroom paper exercises. Kids immediately rushed me yelling Is this
right? I dont know how to do
it! Whats the answer? This aint right, is it? and Whats my
grade? teacher James Herndon reported.
The brilliant league scorer couldnt decide whether two strikes and a
third frame of eight amounted to eighteen or twenty-eight or whether it was one
hundred and eight and a half.[136]
From
school subject to school subject. Do the skills, strategies, concepts and
other knowledge learned in one school subject at least transfer across the
traditional curriculum into other school learning?
Yet again, researchers
conclude with a no. Not so
long ago, it was still common practice for students to study Latin and
mathematics not only for the subjects utility, but for the mental discipline
and logical constructs that were presumed to be useful in learning other
things. Yet at the turn of the century
psychologist Edward Thorndike conducted many studies of the transfer of such
learning from one school subject to another, and his negative findings ...
devastated the discipline hypothesis, as psychologist Roy Pea recalls.[137] More recent research shows that teaching
children to use general thinking and learning strategies produces no clear
benefits outside the specific subject areas in which they are taught.[138]
The fact that knowledge
does not transfer in these situations means that simply increasing the amount
of knowledge relayed in our schools will not enhance students ability to apply
knowledge beneficially in real-life situations. While more needs to be learned about how knowledge and skill can
be transferred to practice, the surest way to achieve that objective is to
reduce the need for transfer by bringing learning as close to the real
context of practice as possible.
Indeed, embedded training
and the developing designs for just-in-time (JIT) learning are using advanced
HL technologies such as simulation and virtual reality to erase the boundary
between learning and doing altogether.
The irresistible allure of simulations for learning
lies in their ability to provide experiences that would be too dangerous,
costly, or just plain impossible to get any other way. For example, at the Federal Aviation
Administration Academy in Oklahoma City, student airport tower controllers are
learning their jobs in a Logicon Tower Operator Training System (TOTS)
simulator whose advanced computer graphics and voice recognition and response
make it almost indistinguishable from reality.
The $10 million systems graphics are so precise that the simulated
aircraft the student operator sees on the 23-foot screen outside the TOTS
window look real even when viewed through binoculars. A disaster in early 1991 at Los Angeles International Airport -- where thirty-three people died when a USAir 737
struck a commuter plane a controller had cleared onto the wrong runway -- shows the incomparable value of this kind of
simulation training: Students can learn
from their mistakes before anyone gets hurt.[139]
Simulation training systems
like TOTS mimic the context of real work closely, but are still separate from
it. As the CAMS story suggests,
training and learning more and more are becoming embedded in the smart systems
used to perform the work itself (and even those used for entertainment,
housekeeping, and other social functions).
The military, as is often
the case, has been in the lead in using advanced simulation methods to embed
more training and learning into operating systems. One obvious advantage is saving the cost of dedicated training
systems (such as TOTS) as well as the considerable cost of personnel leaving
their workplaces to go somewhere to get trained. And training embedded in the real work setting necessarily means
more and better hands-on learning.[140]
An outstanding example of
this kind of HL technology is the U.S. Navys Aegis Combat Training
System. ACTS is a training and learning
capability that was built into the billion-dollar Aegis combat radar and
weapons control system of the Navys most advanced class of guided missile
cruisers.
Because the Aegis Combat
Information Center demands that an entire team of more than a dozen people
perform flawlessly under extreme pressure, continual training and honing of
skills is essential. The very nature of
shipboard service requires that the learning be done in the same place the work
is to be performed.
ACTS uses the same displays
and consoles of the CIC to run authentic combat simulation scenarios lasting
anywhere from a brisk half hour to a grueling five hours. ACTS can allow the combat teams on several
ships to work on the same exercise at the same time -- an even closer and more valuable simulation of real
conflict conditions.
The same kind of embedded
learning is needed and being designed into a wide range of civilian work
environments. Like the Aegis CIC, more
and more high-tech workplaces demand high levels of human skill to be exercised
in relatively infrequent crisis situations.
A modern airliner, for instance, is quite capable of taking off, flying,
and landing itself --
except when something goes wrong.
Studies by the commission on the Three Mile Island nuclear power station
accident in 1979 found a problem common to many modern industrial operation
control centers: Most of the work, most
of the time is routine, constant, and boring.
The operators key job is to solve unusual and thus unpredictable
problems, and to manage the rare but critical disaster. The commission concluded that operators
needed not only better designed operating displays, but continual practice with
simulators to hone crisis-management skills.
Similar needs exist in complex air traffic control, electric and gas and
telecommunications grid management, and chemical and other industrial operations
systems.
One implication of the
increasingly JIT learning environment of work is that Nintendo and similar
game products are doing more to cultivate the skills needed in the mindcraft
workplace than most schools or colleges are.
As the above examples suggest, the human role in a growing number of
work environments is ever more focused on three functions: creativity, crisis
management, and continual learning in a real or closely simulated work
context. To be effective in these
settings, workers need not only the skills developed by a particular simulation
game but what we might call metagame skills -- reflecting the higher order skills needed to master
new games from scratch. That new games ability is crucial to working
in environments that require anticipating a virtually infinite number of crisis
scenarios and that present continually upgraded operating technology.
Learning
to play one particular game well is not enough to acquire those meta-skills,
just as mastering a single song on the piano is not enough to qualify you as a
musician. Rather, you develop the
gaming metaskills by learning-to-learn to play a substantial number and variety
of games, including play that requires both individual skill and teamwork. That depth and diversity of virtuoso
competence is built up from being an active consumer of many products in the
game market, whether at home, in the mall arcade, or walking around with a
device like the Nintendo Game Boy or Atari Lynx.
Myth 3: The
teacher is the fountain; the learner is the bowl.
There may be no more common
and erroneous stereotype than the image of instruction as injecting knowledge
into an empty head. Whether in a
typical schoolroom, or a congressional hearing, or a corporate training session,
the same one-way process is acted out.
In each, the teacher or expert faces the learners, taking on the
critical role of fountain of knowledge.
The learner plays the receiver of wisdom, passively accepting the
intelligence being dispensed, like an empty bowl into which water is
poured. Education, in this view, is
merely a conveyance of what experts already know to be true, rather than a
process of personal inquiry, discovery, and wonder. The image of teaching as knowledge-injection emanates from the
assumption that educations basic purpose is to transmit a societys culture
from one generation to the next.[141]
But this model of
instructional practice, often called passive learning, contradicts
what cognitive science researchers now know about how people learn most
effectively. Chief among the objections
to passive learning methods are four significant research findings.
Passive
learning reduces or removes chances for exploration, discovery, and invention. As noted
earlier, students today typically study by subject in fragmented and highly
delineated studies that leave virtually no room for the learner to explore,
invent, and construct ideas in the natural way any normally curious small child
constantly employs. Consequently,
students come to regard learning as a thing, not a process; something received,
not discovered; part of a body of knowledge, rather than a form of activity,
argumentation, and social discourse. To
learn effectively, students need chances to engage in choice, judgment, control
processes, and problem formulation.
They need the chance to be discoverers, not just sponges.
Passive learning creates a lopsided learning
dependency that impedes skill development. Passive learning encourages
learners to become dependent on teachers for guidance and feedback,
undercutting the students trust in their own abilities to make sense of what
they observe and experience. People can
experience the world in basically two ways, as subjects or as objects. Outside of school in their recreational and
daily living, free people can be in control of their activities, able to seize
opportunities, explore their own interests, and generate solutions to the
problems that concern them. In contrast,
as researcher Jean Lave points out, school creates contexts in which
[students]...experience themselves as objects, with no control over problems or
choice about problem-solving processes.[142] Because of this, passive learning undercuts
the development of the higher order skills of creativity, problem-solving,
and initiative that increasingly are being demanded of all workers in the
mindcraft economy.[143]
Passive
learning reduces learning motivation, creating crowd control problems. Teachers
commonly complain about certain student behaviors that frustrate both the
teachers ability to teach and the students ability to learn. A leading culprit is the bored student who
spaces out during a teachers presentation.
Authors of comic strips like Calvin and Hobbes, Shoe, and Peanuts
have a virtual annuity in the inexhaustible subject of the bored and fractious
student. Outside the funny papers,
students of different ages and from different countries go into the same
waiting it out and other self-defense behaviors during a standard lecture -- a situation that typifies passive learning.[144] And unfortunately, as teachers know so well,
motivation problems turn into crowd-control problems when noninvolved students
band together to act out their frustration.
Research indicates that students become deeply engaged, more motivated,
and less a discipline problem when their learning tasks are organized as
collaborative discovery projects.[145]
Passive
learning encourages the veneer rather than the reality of accomplishment. Passive
learning places a premium on the ability of the learner to reproduce the
learned word. This translates
into sounding and testing right within the school system, often without the
achievement of effective, useful learning -- the ability to apply concepts and skills in new
situations. Anyone who has crammed
arduously to prepare for pivotal multiple-choice qualifying exams like the SAT
or GRE, only to forget the thousands of key learned facts short weeks after
taking it, will recognize this phenomenon.
In the case of American students, this has been called the veneer of
accomplishment: Students look like they grasp what teachers and
schools want them to learn, but in reality they do not.[146]
Typical curriculum design
is based on a conceptual analysis of the subject matter that ignores -- or assumes -- what is already in the learners head. But learners rarely come new and empty to
what is being taught. Research on
students learning science offers many examples of how the learners prior knowledge
and concepts affect new learning. As
researcher Senta Raizen points out, both younger and older students bring to
the learning of science their own concepts of natural phenomena like light,
heat and temperature, electricity, or physical and chemical
transformations. These ideas may be
personal, constructed out of the persons own interpretations of experience,
and coherent in their own terms. Or the
ideas may come from partially understood or inappropriately applied previous
school learning.[147]
Unfortunately,
the limited time devoted to specific lessons in the typical classroom, coupled
with the passive nature of classroom learning, hardly suffices to disclose, let
alone change, the ideas and assumptions that individuals bring to the
lesson. The result? Students make mistakes that arise from
undetected ideas they bring into the classroom. Or they play back newly memorized knowledge and concepts, but
return to their own ideas when confronted with unfamiliar questions or nonroutine
problems. In short, the challenge of
teaching and learning is to confirm, disconfirm, modify, replace, and add to
what is already written on a students slate -- and that requires the active participation of the student in the process.
Myth 4: More
or less academic achievement means more or less learning.
In reality, the human brain
is genetically programmed and born to learn -- constantly, from experience. The design of the brain predates the
introduction of academic institutions by several million years. Everything that humans learned to make the
birth of civilization possible was learned before and without schools, and many
civilizations grew and thrived without significant participation in schooling.
Over
99 percent of what the average American will learn in the course of a lifetime
will not be learned in a classroom. In
fact, most situations of spectacular learning -- in which the individual picks up knowledge and skills
rapidly and with little apparent effort -- occur out of school.
Chief among these situations is the first five years of life when, as
children, we acquire concepts, language, and motor, spatial, and social skills
through normal interaction with parents and other people, but with little or no
classroom instruction.
Researchers Roy Pea and J.D. Bransford and their
colleagues analyzed the conditions in which a young child learns
spectacularly, to provide three reinforcing clues for designing more
effective learning opportunities:
Spectacular
learning takes place in context. Children learn during the first five years
in the midst of culturally meaningful or practical ongoing activities, and they
receive continual feedback on the results of their actions.
It is
often effectively mediated. Parents, friends, and peers not only serve
as models for imitative learning, but help the children learn by providing
structure to and connections between the childrens experiences. They highlight information in the situation
that will particularly help the child carry out a task. They let them take on part activities in
completing a whole task, such as measuring out sugar, flour, and other
ingredients in the process of making a cake.
The
learning is functional. Context and mediation help children
understand how information is used to solve problems. Children acquire concepts and skills as tools that can be used for many different purposes. The functions of new knowledge -- and new learning -- are not only shown, but often are explicitly stated.[148]
Of course, what children
learn is not always positive. Children
exposed to abuse and dysfunctional families are spectacular learners too, and
what they learn --
lack of self-esteem, for example -- often winds up haunting them to the grave.
Myth 5: You
have to learn to walk before you can learn to run.
It has become commonplace in speaking and writing
about the workplace demands of a high-tech economy to talk about basic skills
and higher order thinking, as if to imply one must (chrono)logically come
before the other. But, in truth, the
type of skill or knowledge being acquired does not dictate the order in which
it should be learned.
There are three distinct
reasons for this. The first rises from
common sense about context: Real-world
situations require people to use and learn different kinds of skills all at the
same time. Children do not learn first
to walk and then to communicate -- they pursue the motor and mental abilities at the
same time. Likewise, a baseball player does not need to master
bunting before hitting, and then baserunning before throwing, and that before
catching. None of these skills is more
basic to playing baseball than others, and, except for American League
pitchers and designated hitters, players need to develop and practice all the
skills simultaneously.
Second, modern research on
the nature of thinking concludes that people at advanced levels of
development are not the only ones who engage in the activities associated with
higher order thinking --
that is, making judgments, attaching meaning to things, finding multiple
solutions, or sorting through conflicting information. Advanced thinking is an intimate part of
learning at any level from elementary school to postretirement.
Finally, simply because
each human being is truly unique, how learning happens -- and what
learning happens when -- is different for different people. People learn by experience, but no two
people share the same experience. As
anthropologist Gregory Bateson observed, each learner is inherently free to
punctuate in his own way the stream of experienced events into the elements
of stimulus, response, and reinforcement that comprise the most fundamental
learning processes.[149] The practical implication is that there is
no way to separate learning from what may be called personality, or attitude,
or simply emotion. It is no more
possible to define a certain behavior conclusively as either a basic or
advanced skill than it is to settle once and for all the question of whether
a glass is half empty or half full.
The walk before run
metaphor actually says more about the peculiarities of the human body than it
does about the learning process. Humans
happen to be born top-heavy -- a human babys head is too big and heavy for its
undeveloped body and limbs to support either walking or running. Four-legged animals with small brains, like
gazelle or wildebeest, are able to run within minutes after birth -- any of their ancestors who couldnt do that became
instant lion snacks.
School curricula reinforce
the impression that logical subjects like math and science require starting
with basics and progressively adding more sophisticated conclusions and
applications. But the very nature of
logical laws makes it equally feasible to work backward from conclusions, or
observations, to hypotheses. Deduction
and induction are entirely complementary.
In reality, scientists and
mathematicians do not do their crafts in the linear, progressive way
their subjects are usually taught.
Practitioners commonly start with a flash of insight (the stereotypical light
bulb igniting), a hunch, a dream, a guess, an elaborate hypothesis or
postulate, and then work backward, forward, and around it to try to make it fit
with established knowledge. Physicists
or engineers commonly try using complex mathematical gadgets to solve the
problems that interest them without knowing or caring how the math was
logically derived. Experimenters tinker
in laboratories and make surprising discoveries that theoreticians then labor
to try to explain logically.
Alternatively, theorists like Einstein come up with wild new theories
like relativity that experimenters may have to struggle for decades to find a
way to test and prove. Scientific
knowledge does not grow incrementally down a predictable track. Rather it grows volcanolike, sometimes
oozing in patient rivulets, sometimes erupting in fiery ferment, and
occasionally exploding, blowing away the rock of established truth.[150]
Pedantic, linear teaching
rarely conveys the true drama and mystery of the human quest for
knowledge. School plods where human
imagination naturally leaps.
Myth 6:
Education is different from training.
The scientists who study
learning increasingly recognize that apprenticeship is a powerful way
of organizing learning-in-context for any purpose. In contrast to the traditional view of academic learning as
different from or even superior to vocational learning, scientists now speak of
cognitive apprenticeship as the key to acquiring the higher order thinking
skills that, in turn, are increasingly needed for working and living in the
knowledge age.
So any kind of learning
that aims to be relevant to the real world can benefit from the following
characteristics that Jean Lave, Brigitte Jordan, and other researchers have
observed in traditional apprenticeships.
Apprentice
learning focuses on doing rather than just talking.
Apprenticeship is concerned with the ability to do rather than
the ability to talk about doing something. The apprenticing process arranges opportunities for
practice, whereas school curricula -- where the focus is typically on verbal and abstract
information --
tend to be a specification of practice. Apprenticeship learning comes through the practice of
skills. The master is less likely to
talk than to guide by modeling, assigning tasks, overseeing, and
critiquing. Indeed, it may be quite
difficult to get craft masters and apprentices to articulate what it is they
know how to do. The division between
academics and apprentices goes back to the classical age of ancient Greece,
when the liberal arts curriculum was originally designed as vocational
education for politics. The first and
foremost goal of such instruction was apprenticeship in the skills of rhetoric,
in preparation for the craft of political argumentation. So in early academia the ability to do and
the ability to talk about were the same thing.
But with the vast expansion of academic institutions since the early
nineteenth century, rhetoric as an end became mistaken for a means
of teaching. As a result, the
rhetorical methods of academic vocationalism have been increasingly misapplied
to a wide range of nonpolitical crafts and skills which, to be learned
effectively, need doing and talking about to be separated.
Apprenticeship
is a way of life. Apprenticeship happens in the course of
daily life. In fact, apprentices seldom
sense any separation between activities of daily living and learning of
professional skills. Rather, the apprentice
is exposed to a certain environment, is socially engaged with a community that
shares some common interest, participates in sets of work-relevant activities,
handles (plays with) certain tools, and is trained in the sphere of specialist
work the same way a child is in the home environment.
Work
is the driving force. Masters and apprentices engage in activities
that are driven by the requirements of the work to be accomplished: Pots must be fired, a shawl woven, trousers
manufactured. Whatever teaching or
learning may happen is coincidental to the overriding concern of the work to be
done. Consequently, the apprentice
values progressive mastery of tasks not so much as a step toward a distant,
symbolic goal (like a diploma), but for its immediate benefit. Apprentices are not practicing for the real
thing --
they are doing it.
Apprentices
acquire skills in a meaningful order. While on the surface apprenticeship may seem
to impose a walk before run orderliness, in effective apprenticing the order
derives from the organic structure of the work and its real context, rather
than from an artificial model of cognitive difficulty. Apprentices commonly are directed to start
with skills that are relatively easy, where mistakes are least costly. For example, young tailor apprentices,
rather than constructing a garment from start to finish, first experiment with
parts of the production process that are least costly in terms of wasted
materials, like sewing garments from pieces someone else has cut. Working from the sidelines of a complex
task toward its center stands in contrast to the ways that knowledge is usually
transferred in formal schooling. In a formal
classroom, things are usually learned in chronological or some other arbitrary
order divorced from learning in context.
The components are treated as equally important, and it is assumed that
they must be acquired in a linear way -- one after another.
But apprentices acquire skills in bunches or bundles that fit together
to solve a practical problem. Much of
the learning is just in time -- immediately connected to a problem that has to be
solved now for the work to proceed.
Performance
and competence evaluations are implicit, embedded in the work environment. For an
apprentice, expert execution of a task is obvious and easily observable -- in the masters performance. Judgment about the apprentices competence
is likewise obvious and needs no commentary:
It emerges naturally and continuously as work is accomplished, rather
than occurring as a specially marked event, like a test. In fact, to a great extent, the person who
judges the apprentices performance is the apprentice. Having observed the work sequence many
times, the apprentice knows what remains to be learned. Moving on to acquire the next skill is
largely up to the apprentice, rather than under the masters control. Apprenticeship is inherently individualized. The master promotes and assigns apprentices
as their talents and limitations are demonstrated in practice.
Teachers
and teaching are largely invisible. In apprenticeship learning -- as well as informal on-the-job training in modern
workplaces --
it may look as if very little teaching is occurring. Whatever instruction the apprentice receives originates not from
a teacher who is doing teaching but from another worker doing his or her
work, which the apprentice observes.[151]
In apprenticeship learning,
the apprentice is being inducted into a community of expert practice. The community is not limited to the local
studio but extends across space and time, joined by a variety of professional
associations and by the formal history and informal folklore of the craft. Apprenticeship learning illustrates the
distinction between doing and waiting it out, between an active and a passive
environment.
Moreover, contrary to what
may appear at first glance as an orthodox ritual, apprenticeship learning is
neither static nor simply concerned with the one-way transmission of tried-and-true
practices from masters to novices. In
effective apprenticing there is a healthy, dynamic friction between
preservation and renovation of expertise.
Change is a fundamental property of communities-of-practice and their
activities, researchers Jean Lave and Etienne Wenger observe. And they note that inexperience is an asset
to be exploited, not just a vacuum to be filled. Precocious and irreverent apprentices challenge and inspire
masters as well as follow them. Members
of a community of practice all learn from each other.[152]
Only a fraction of a
percent of U.S. workers --
mostly in construction trades -- are trained through the traditional, formal kinds of
apprenticeship programs that are common in other countries, and that are
especially widespread in Germany.[153] But apprentice learning is becoming such an
inherent feature of the mindcraft economy that more formal programs may not be
needed.
With expertise ever more
embedded in networks and smart tools, rather than personal masters, the features
of apprentice learning are becoming almost universal in the HL
environment. Most apprenticing now is
going on almost invisibly through the use of expert systems like CAMS, Magic,
and others mentioned earlier, through simulation and embedded training systems,
and through the collaborative relationships forged through communication
network utilities such as groupware, electronic mail, and bulletin board
systems (BBS).
For instance, heres
another example of how video games may be more relevant to the needs of a
mindcraft economy than classrooms are:
There hardly could be a more graphic and energetic example of a
community of expert practice in action than the community of video and
computer game players, whose numbers in the U.S. alone may represent a fifth or
more of the national population.
At Nintendos U.S.
headquarters in Redmond, Washington, a faculty of five hundred game masters
takes one-hundred-fifty thousand telephone calls a week from apprentice gamers
seeking guidance to hone their playing skills.[154] The game community is further linked by a
host of magazines, books, newsletters, clubs, meetings, and tournaments. Visit any shopping mall game arcade and you
will see self-organized apprenticeship in action: Clusters of players of diverse age, gender, race, creed, color,
and national origin arc around the player currently engaged with a machine,
observing play and exchanging comments and tips on tactics and strategy. Mastery is relative to the composition of
the ad hoc group and the particular game -- the master-apprentice roles continually shift among
the members of the community.
This kind of
self-organizing HL community of practice is as typical of the mindcraft
workplace as of the world of knowledge age entertainment. The same kind of collaborative user groups
and telecommunicated help and guidance have enabled over 60 million Americans
to become handy with personal computers -- the great majority without attending any school or
classes. With four out of ten U.S. workers
now using computers at work,[155]
individual ability to join and work with a self-created apprenticing community
is becoming ever more crucial to organizational performance and national
productivity.
And this Nintendo-izing
of work-connected learning is not limited just to the white collar office, as
an anecdote from a Fortune magazine
story of a few years ago illustrates.
Computer experts who were starting to teach a steelworker to program a
new inventory control system at an American Steel & Wire mill in Cleveland
ran out of time and decided to postpone the training to the next day. That night, the worker went home, sat down
with his kids at a computer, and figured the program out, the magazine
reported. The next morning he went in
and taught it to other workers. By the
time the computer experts came back to complete the training, the guys in the
mill already had the system up and running.[156]
Myth 7. Some
people are smarter than others.
The rigid, uniform,
lockstep pattern of instruction followed in most schools and colleges nurtures
the popular illusion that there is a one-dimensional spectrum of human
intelligence that ranges from dumb to smart.
The common experience of schooling has convinced most people that
students who get higher grades and test scores are better students because
they are smarter, and have a higher IQ.
Americans are more prone to this belief than Asians such as the
Japanese, who are more likely to attribute superior academic achievement to
greater effort and discipline than to natural talent. Still there is a broad tendency to believe that people who have
accomplished more academically are more capable in general.
But scientists know that
human performance is far more diverse and complex than the linear sorting that
arises from a schooling process designed for standardization. First, it is well established that learners
have as many as a dozen different styles learning. That is, some people learn best by reading words, others by
seeing pictures, listening to sounds, touching things, or moving around -- or by particular combinations of these various modes
of sensing and doing.[157]
Thanks in important measure
to over two decades of study of human ability by Howard Gardner of Harvard
University, we know that human talents are more diverse, focused, and variable
than a single lump-sum measure like IQ can capture. Gardners interest in the nature of human talent began when, as a
young researcher at Harvard Medical School, he was struck by the diverse
effects of brain damage --
victims might lose only a very specific skill, such as the ability to match
words and pictures, or alternatively might demonstrate extraordinary skill in a
specific task such as performing complex arithmetic calculations despite severe
disabilities of other brain functions.
Gardners years of subsequent study of these and related phenomena,
reported in six books and numerous other publications, probably has done more
than the work of any other researcher to dispel the notion of a single, simple
measure of human competence.
In
particular, Gardner has identified seven different areas of mental ability or
intelligence, each of which is endowed or developed more or less
independently of the others.
·
language
·
logical-mathematical analysis
·
spatial representation
·
musical thinking
·
use of the body to solve problems or to make hings
·
understanding of other individuals
·
understanding of ourselves
Different people have their own combinations of strengths and
weaknesses in each of these areas. The
several intelligences contribute in all sorts of ways to the great variety of human
achievement that extends far beyond the range of mere scholastic
standards: People can be geniuses in
many ways other than those normally credited by schools.
And, while the pioneering
studies by Swiss psychologist Jean Piaget suggested that childrens brains tend
to develop certain abilities in progressive stages at about the same ages,
researchers now observe wide individual variations around these average
generalizations for the population as a whole.
Particular children may be years apart in their readiness to take on
certain mental tasks successfully. And
Gardner concludes that Piagets findings, at least after age six or seven, are
the result of cultural influences -- schooling in particular -- not inherent stages of brain development. Moreover, even if some abilities, like
learning language, are easier to acquire during childhood, that doesnt mean
those abilities cant still be developed, perhaps with more time and effort, in
later life.
In short, what science
knows is that human abilities are diverse in their form, range, and development
and are intensely individual -- they do not match the mass-production standards of
schooling.
The insistence on
smart-dumb standards inevitably requires reliance on standardized testing and
grading practices. But testing acts as
a double-edged sword against learning in context.
Besides its tendency to
encourage teaching and learning topics outside their natural applications,
testing in and of it itself is out of context:
it does not reflect how problems are solved and success is gauged in the
workplace or any other real-life environment.
Researcher Jean Lave observes, Classroom tests...serve as the measure
of...out of context success, for the test taker must rely on memory alone and
may not use books, classmates, or other resources for information.[158] As the twenty-first-century workplace and
technology increasingly employ teamwork and complex problem-solving processes
that no longer produce right or wrong answers -- just worse or better thinking -- the results of rote testing will be less and less
able to signify a well-prepared learner, a person capable of working, managing,
and building successfully.
The reverse cut of testings two-edged sword is that academic testing demonstrates not only phony competence but false incompetence as well. In particular the flurry of national tests and