Published as "Tanulási stilus, ellenörzés, kurzustervezés [Learning Styles, Locus of control and Courseware Design]", in Kecskés, István & Papp, Tünde, eds., A felsooktatás fejlesztését szolgáló kutatások, Budapest, Felsöoktatási Koordinációs Iroda, 1994, pp. 83-94.
It's been known for a long time that people have different
ways of
collecting, processing and organizing information, different
ways of
learning. Some people seem very structured and
organized, others are
all over the place. Some people like theory, others
concrete examples;
some gobble up details, others prefer a broader picture.
Over the last
two decades, an enormous amount of work has been done
to study these
differences with the aim of taking them into account
when devising
instructional strategies. Much of this research
uses the concept of
"learning styles".
Learning styles research makes three assumptions.
The first is that
different people learn in different ways. Few would
dispute this. The
second is that there is a useful theoretical construct
which we can
call a learning style, which is each person's unique
way of interacting
with the environment cognitively, affectively and phsysiologically.
We all learn differently, so the argument goes, because
we have
different combinations of cognitive, affective and physiological
reactions. The third assumption is that it is possible
to measure the
individual's learning style by using an appropriate psychometric
instrument. Once the learning style is measured,
it is hoped, one can
use this knowledge to develop more appropriate instructional
strategies. As will probably be clear, the concept
of a learning style
is not unrelated to the concept of a cognitive style
or of a
psychological type (in the Jungian sense); learning styles
research has
also found support in, and indeed is sometimes explicitly
tied to the
theory of multiple intelligences developed by Howard
Gardner (1).
Learning styles research is extraordinarily popular in
North America,
with some 9000 items in the ERIC database for the last
ten years alone.
This popularity has probably a great deal to do with
the fact that the
dominant educational ideology in North America is anti-elitist,
aiming
to provide equal levels of education for all citizens.
Learning styles
theory allows one to be positive and optimistic about
the possibilities
of improving our educational systems, offering the hope
that
underachievers can be helped through the development
and use of new
teaching strategies which take their individual learning
styles into
account.
As a result of this popularity, a great number of instruments
--
learning style inventories or delineators -- have been
developed to
measure our individual styles. Some of the most
commonly used are the
Myers-Briggs Type Indicator, the Gregorc Delineator,
the Kolb Learning
Style Inventory, the Canfield learning styles inventory
and the Dunn
instrument (2).
Although I will be using one of these delineators and
the concept of
learning styles, I wouldn't like to give the impression
that the whole
area is unproblematical. Quite the contrary.
Although it seems
obvious that we all learn differently, both the theoretical
construct
of a learning style and the contention that it can be
measured in a few
minutes using one of the instruments which are presently
available are
much more controversial, though this fact is rarely mentioned
in the
learning styles literature, little of which is theoretical.
Psychologists in particular have expressed serious doubts
about the
psychometric validity and reliability of most of these
instruments
(Sewall 1986), and the whole concept of learning styles
is far from
being universally accepted.
A more practical problem with learning styles research
is that no two
instruments or conceptualizations use the same categories,
so
generalizations about research conclusions are difficult
to make. The
Myers-Briggs which is no doubt the best known instrument
(though it
does not purport to measure learning styles as such)
uses 16 categories
based on four polar scales (Extraversion-Introversion,
Sensation-
Intuition, Thinking-Feeling and Judgement-Perception);
the Kolb has
four learning modes (Concrete Experience, Reflective
Observation,
Abstract Conceptualization and Active Experimentation)
and four
learning style types (Assimilator, Accommodator, Converger,
Diverger);
The Gregorc, which is the one I used, has four categories
based on two
polar scales (Concrete vs Abstract and Sequential vs
Random).
Although there are great divergencies among the different
classifications, there are two learner stereotypes which
most of them
oppose (along the lines of analytic/relational, field
independent/field
sensitive, reflective/impulsive, serialist/holist, sequential/random).
The first is the "academic type" who learns best quietly
and without
any extrinsic motivation when information is presented
in a structured,
sequential manner. The second type is often less
successful in our
educational systems: he may appear to some of us to be
erratic,
emotional, and troublesome, and he often learns best
when personally
motivated, in stimulus-rich (noisy, busy) environments
and when
information is available to him in discovery oriented,
non pre-
structured ways. Of course, these thumbnail sketches
are
simplifications and represent extreme cases. Most
people possess a
combination of styles, one or two of which are usually
dominant.
However, it has been found that our educational systems
and teaching
strategies tend to favor the "academic" student and are
much less
successful with students whose dominant learning mode
is random or
holistic, even though these latter are by no means necessarily
less
intelligent or less successful in life than their academic
counterparts. A 1980 study found that three-quarters
of the population
do not learn by their preferred methods in the formal
schooling process
(Davidson 1992: 349).
The challenge for those of us who would like to provide
for all members
of society equally is then to adapt the educational system
to the
students in such a way that not only the 25% of us who
are "academic
types", but the other learners, the majority of learners,
are reached
by our instructional strategies, stimulated and helped
by the system
rather than being put down by it. And we would
like to do this without
disadvantaging those who are served well by the present
system.
Individualized instruction, in which not just one but
a variety of
different learning styles are addressed seriatim or simultaneously,
is
often seen as one way to achieve these aims.
Computer Assisted Instruction
Now the capacity to provide individualized instruction
is often touted
as one of the big advantages of CAI, along with benefits
which are not
always convincingly proven, such as more effective and
cheaper
instruction and some motivational improvement.
In addition to any more
general advantages it might offer the educational system,
CAI appears
then to offer hope to non academic learners. Whereas
in a traditional
classroom it is difficult to offer different sorts of
instruction for
different sorts of learners, the computer can in theory
do so easily.
Many studies have found that the ability to individualize
instruction
was the biggest advantage of using a microcomputer. (Chamberlin
1988:14)
However, individualization can mean many things.
We know it is
possible to set up CAI that will appeal to non-academic
learners, and
even to people with various disabilities.
LOGO is one example of a
program which does this, and Papert's Mindstorms
and Sylvia Weir's book
Cultivating Minds are fascinating casebooks
of students with non-
academic learning styles who prosper in a LOGO environment.
Some work
has been done too on how it is that certain types of
computer projects
-- not only LOGO type activities but also programming
and games and some
"emancipatory" activities involving for example information
retrieval
systems (O'Shea 1983: 113) -- self-motivate people and
keep them
working and concentrating for long periods (Malone 1981)
with the
possibility for effective learning during this time.
These sorts of
activities do appeal to non-academic learners.
Individualized learning here is clearly not a question
of an instructor
adapting material and strategies to different students,
according to
their learning style, for example. It is almost
entirely a question of
the student taking over the learning process; it is a
question of
learner choice and learner control. Weir says:
"When LOGO is used by
teachers whose teaching practice is compatible with LOGO
philosphy, the
individual student is encouraged to choose what to do
and how to do it.
Under these circumstances, a student is able spontaneously
to adopt her
preferred problem-solving style more readily than is
the case under
didactic teaching conditions." (Weir 1987: 115)
The student works on a
project, either chosen by him or proposed by the instructor,
but in any
case adopted by him as a challenge; and he develops his
own strategies
to achieve his goal. There are many testimonies
to the success of this
particular sort of individualized instruction.
Now, most CALL I know about in secondary and post-secondary
institutions is not of this discovery or inquiry oriented
type. It is
more frequently of the tutorial or drill-and-practice
variety, using
either programs provided by publishers to accompany their
second
language textbooks or programs produced on authoring
systems such as
CALIS or CALLGEN, or Hypercard or Toolbook. When
we talk about
individualization in programs such as these, we also
mean learner
choice and learner control, but not in the same sense
at all as in the
case of LOGO or of games or programming. Learner
control here does not
involve a choice of strategies or being driven onwards
by step by step
progress towards a clearly identifiable goal. In
tutorial and drill-
and-practice CALL you can choose when to stop, skip and
start again,
you can go fast or slow, you can choose to ask for the
right answer and
sometimes for extra help, but whatever you choose, you
still have the
same ground to cover, you have a very limited choice
(often none) of
preprogrammed strategies, and instead of feeling that
you are
controlling your own progress towards a clearly defined
goal (make a
square, or get out of the maze), you often get the feeling
that the
computer is almost arbitrarily asking you a whole series
of questions
in no particular order (many programs randomize).
This particular type
of individualization, which might be called psq (pick,
skip, quit), is
often unjustifiably assimilated to the sort of individualization
that
programs like LOGO offer because in both cases, locus
of control
appears to be with the learner. However, while
the particular sort of
individualization LOGO can provide has been found almost
uniformly to
be advantageous, if difficult to assess, studies of individualization
in tutorial and drill-and-practice programs have with
almost the same
degree of uniformity found it not to be advantageous.
It seems that
students left alone with these programs do not do as
well as one might
expect.
A few findings:
The TICCIT project was one of
two (the other was called PLATO)
funded by the National Science
Foundation in the seventies to test
the effectiveness of CAI.
One of the features of TICCIT was a
special keyboard which apart
from the standard keys had a dozen so
called Learner Control Buttons.
At any time, students could ask
for a map of the
lesson (for those who like to know where they're
going), for objectives
(for those who like to know why), for rules
(for those who like theory),
for examples (for those who work
inductively), for practice
(for those who learn by doing), etc.
The project designers hypothesized
quite reasonably that if you
gave students control not only
over their rate of progression but
also over the sorts of information
they received, they would learn
better and be more motivated.
However, the final evaluation of
the project noted that students
had not taken advantage of these
buttons, except for the practice
button. In addition, the
completion rate dropped from
50% in regular classes to 17% in the
CAL courses. (The experiment
took place in two community
colleges.) The results
of the project show very clearly that this
particular sort of learner control
does not increase motivation or
lead to better learning.
(O'Shea 1983: 92)
Most of the other studies I have looked at were concerned
with self-
pacing and with feedback, which are two features of tutorial
and drill-
and-practice programs most often left to learner control.
Belland, Taylor, Canelos, Dwyer
and Baker (1985) found "that
learners [college freshmen]
who selected elaborative feedback
(which provided additional instruction)
were the ones who best
understood the concepts presented
in the lesson. In spite of
their apparent need for additional
instruction, the students who
were performing poorly on the
lesson did not make effective use of
the option for elaborative feedback."
(Sales 1988: 98) In fact,
low achievers chose to see feedback
only 29.72% of the time, as
against 86.56% for high achievers.
Humphrey, in his 1983 thesis
on "A Comparison of How Paced and
Unpaced Problems Affect Learning
During CAI Math Drills" found
that self-paced programs were
less effective than those in which
some guidance of time was used.
(Vargas 1986: 740)
Carrier, Davidson, Williams
and Kalweit found that students
selected less feedback later
in a lesson, and that some never
selected any. (Chamberlin
1988: 26)
In a 1989 study in CALICO Journal,
Chapelle and Mizuno found that
students of ESL used available
help (3 options, meaning, grammar
or facts) only every 8.6 minutes
in sessions lasting about twice
that time.
In their 1990 study, Hasselerharm
& Leemkuil found that "LC
[=learner control] was not an
effective strategy for low-achievers
with regard to the transfer
of learning" (78). Summarizing
several studies which they had
consulted (different from the ones
quoted above), they say "An
overall conclusion is that many
students, especially low achievers,
lack the knowledge to make
appropriate decisions." (69)
What these studies found then, was essentially that it
is not a good
thing to leave students in control of their own learning
at the
computer in tutorial and drill-and-practice type programs.
The only
students who sometimes benefit from such an approach
are the high-
achievers. Low-achievers, and these often coincide
with non-academic
learning style profiles, need guidance and support.
However, despite
the consistency of these findings, students continue
to demand learner
control and publishers and to some extent CAI course
designers still
continue to tout it. In Hasselerharm & Leemkuil's
study quoted above,
one group of students had considerable control over their
progress on
the computer while another group had very little.
The learner control
students, especially the low achievers, did not learn
as well as the
others, but they were much more positive about the control
strategy
than their more controlled colleagues. And a recent
book by J. Steven
Soulier on courseware design has a section on "Individualized
Computer
Based Instruction" in which learner control is considered
automatically
to be best: "Keep the learner in control" (94), "The
concept of self-
pacing should be applied" (91).
Why, despite the research, do we still vaunt learner control
here?
Probably because learner control means individual choice
and individual
choice is ideologically unassailable, just like freedom
of expression,
free enterprise and saving the planet. Our culture
has an
individualist ethos, in which making your own decisions
is highly
valued -- I know what I want, says the voter. In
addition, we have a
love-hate relationship with technology -- see Hal in
Kubrick's 2001 --
in which the human has to be in control over the machine.
So, if students want to be in control, but most of them
really learn
better when they are not, what does this mean for program
design? Is
it possible and advisable to design programs which guide
and control
learning while leaving enough choices to the learner
to give him a
comfortable feeling of being in the driver's seat?
This turned out to be the main focus of the study I carried
out.
After being convinced by previous research that learner
control was
not very successful, especially for non-academic learners,
I wanted to
find out how much real resistance to guidance and outside
control there
was on the part of the students. Despite their
ideological preference
to be in control, did the students mind if the program
often took
control away from them and forced them to do things?
In addition, did
their preferences for control correlate with their learning
styles?
I should at this point briefly describe the experiment.
The students
involved were enrolled in a third year French course
at the University
of Calgary. A component of the course which accounts
for about 10% of
the final grade is grammatical analysis, or parsing,
and this was
taught exclusively by computer, using two different programs
with
almost identical content, ANALYSE and CALLGEN.
(I was responsible for
the content of both programs.) ANALYSE allows maximum
learner control:
once a topic has been chosen from an initial menu, the
student can
browse through explanations, choose one of two different
sorts of
exercices, go back to the explanation from the exercice
and return
without losing his place, etc. CALLGEN can be used
in different ways,
but in this case, it was used to develop sequential lessons
on each of
the various topics. Once the students chose to
study a particular
subject from an intial menu, the program forced them
to follow a
predetermined path: they were given an explanation, then
an exercice,
then more explanations and more exercices; sometimes
the program would
slip in a quick comprehension question, ask them to repeat
something
they'd just been told, a little bit like a classroom
lecture
interspersed with questions and exercices. Students
were shown the two
programs at the initial session and told they could use
either or both
in subsequent sessions. They were also told that
we were interested in
seeing which one they liked best. However, they
were not told at any
time that what we were interested in was the amount of
control they had
over their progression.
The students had 6 one hour sessions, at each one of which
they were
asked to study a particular set of items, using either
program, and
they had a mini test each week on the computer on what
they'd learned
the week before. One week after completion, their
mid-term tested them
on what they had learned on the computer. After
receiving their scores
from the mid-term, they filled out a questionnaire which
elicited
information about attitudes to computers and CALL, which
program they
had used and why, and asked to rate on a scale of 1 to
4 (so I could
dichotomize the results later) a whole series of features
of both
programs mixed together among which were hidden questions
that could
later be interpreted in terms of program and learner
control. Finally,
all students completed the Gregorc Style Delineator to
provide some
information on their learning styles.
I have to admit at this point that because of a high initial
drop-out
rate in the course -- before the CAI was begun -- we
ended up with only
12 students, so that the experiment has no statistical
validity. The
results are nevertheless striking.
My primary objective was to determine whether there was
any resistance
to program control. I had two measures of this:
first, if the students
preferred ANALYSE, which gave them much more control
over their
progression, that would be an indication that they did
not like program
control; second, if features of CALLGEN which took control
away from
them (spot questions, or forcing them to do an exercice
after an
explanation) were rated low, that would also indicate
resistance to
program control. I was also interested to know
if high achievers, who
in theory knew how to use feedback and other features,
would be more
resistant to program control than other learners.
Some studies have
shown in fact that high achievers did less well when
forced to see
feedback they didn't need.
The results of the questionnaire were quite clear.
Students preferred
CALLGEN, the sequential program, using it on average
about 80% of the
time. Casual observation by myself and an assistant
-- we were in the
lab with them -- would have put the figure even higher.
As far as
program control goes, it was rated quite useful or very
useful 88% of
the time (48% very useful). It should be remembered
that the students
were not asked questions such as "do you like the program
to take
control?" but were asked to rate on a scale of 1 to 4
the usefulness of
features such as "Every time a point is explained, the
program makes
you do an exercice to check if you have understood."
Twelve out of
twelve students found this to be a useful or very useful
feature.
I would conclude from this that there was very little
resistance to
program control among these students. It must be
said that the
students were generally very favorable to CALL, and this
was reflected
in the overall ratings of the various features.
Of all the features
rated, 82% of the responses were of the quite or very
useful sort.
Nevertheless, and surprisingly, the program control features
were rated
a little higher than the others.
As far as learning styles were concerned, there was only
one
correlation that was striking, but it was an interesting
one. When
students were split into two groups according to whether
they were
sequentials or randoms, their preferences for locus of
control were
diametrically opposed. Sequentials rated program
control features
highly 95% of the time and student control features only
71% of the
time. Randoms did almost the opposite. They
rated program control
features highly only 75% of the time and student control
features
highly 95% of the time. It should be noted that
these were independent
variables: it was possible to rate both program and student
control
features highly 100% of the time.
Taken together, though with caveats about small sample
size, these
results are consistent with the hypothesis that randoms
prefer to
control their own progress while sequentials are not
as interested in
doing so. This is what the definitions of the characteristics
of
the learning styles would lead you to expect.
Sequentials are the
structured, field-independent, "academic" types, randoms
the more
holistic, field-sensitive, non-academic types.
Conclusions
Previous studies found quite consistently that in tutorial
and drill-
and-practice programs students did not benefit by being
in control of
certain areas of the learning process, in particular
pacing and
feedback. The present study tends to confirm the
hypothesis that a
substantial amount of program control, in the form of
automatic
feedback, spot questions, and obligatory exercices at
set points in a
lesson, is not resisted by students. In this study,
students
overwhelmingly liked the program that took control of
these areas, they
liked the specific features in which it took control,
and they reported
high levels of satisfaction with CAL in general.
A further hypothesis
which now needs testing is that learning is improved
when the program
takes control in this way.
On the question of learning styles, the results are more
difficult to
interpret. What are we to do if randoms (or holists,
or field-
sensitives) prefer to be in control yet do not learn
better either when
they are or when they're not? The conclusion seems
inescapable that
tutorial and drill-and-practice programs are not well
suited to these
types of learners, which is tough, considering their
ubiquitousness,
but not altogether surprising. One interesting
study (N = 155), which
found a high degree of correlation between a random learning
style
(actually an extravert, intuitive and perceiving personality
type) and
failure with tutorial CAI reported that several steps
had been taken to
correct the problem. These included mini lectures
to personalize the
instruction, more interaction among students with two
or three at a
terminal, and question-discussion sessions. The
study reported that
when these measures were introduced, the correlation
disappeared
(Hoffman 1982). This is in some ways going outside
of CAI to correct the
problem but it does seem very promising. However,
I believe the real
solution for the holistic/ random/field-sensitive learner
is to make
available programs other than tutorial and drill-and-practice.
Both AI
techniques, involving models of the student's knowledge,
and so-called
"emancipatory" or discovery modes of learning, are under-utilized
in
our educational system and an effort could be made to
develop materials
for them. Failing some sorts of corrective measures,
the much vaunted
individualization of CAI may turn out, like so many other
things, to
benefit those least in need and leave the others out
in the cold.
Brian Gill, University of Calgary
Notes
1. Gardner (1983) distinguishes seven sorts
of intelligence:
linguistic, musical, logical-mathematical,
spatial, bodily-
kinesthetic, intrapersonal and
interpersonal. He stresses and
opposes the prevailing undervaluing
of some of these intelligences
at the expense of others, primarily
the more "rational",
"intellectual" ones.
2. For more information about these inventories,
see the entries for
Canfield, Dunn, Gregorc, Kolb
and Myers-Briggs below.
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Learning Styles, Locus of Control and Courseware Design
The concept of learning styles, despite some theoretical
problems,
helps to make us aware of the difficulties faced by many
learners who
tend to be classed as non-academic and which our educational
systems
may turn into so-called underachievers. Although
it seems that
computer-assisted instruction should help these learners
because it
offers choices to the learner and is individualized,
studies have
almost uniformly shown that it does not. When they
are allowed control
over what speed to work at, what help to seek, what feedback
to ask
for, such learners do not make good choices, although
they, like most
of us, do like the idea of being in control. It
was hypothesized that
despite their expressed preference for being in control,
a preference
which is ideologically comforting, learners might in
fact be quite
satisfied with programs which largely took control away
from them. To
test the hypothesis, a study was carried out in which
a university
level French language class was given access to two CALL
programs with
almost identical content, one largely learner controlled,
the other
largely program controlled. Small final class size
made the study
statistically unreliable, but there was very substantial
support both
for the program, and for features within both programs,
which
effectively took control away from the learner.