A number of themes and issues emerge in any discussion about educational theory, learning and instruction. Interactive multimedia provides another vehicle to consider and reconsider the place of educational theory, and particularly theories centred on student learning, in the design of multimedia. What follows in this paper is a discussion of some of the prevalent issues that emerged as part of the Educational Theory strand to the Mini-conference for Practitioners of Educational Interactive Multimedia (Curtin University, 7-9 July, 1995). The paper also reflects issues related to a similar debate being had more widely amongst developers and users of interactive multimedia, a debate particularly evident from time to time on IT-FORUM .
Invariably, we need to look towards educational theories to engage and underpin approaches to instructional design. To what extent, however, should a given instructional approach reflect a holistic and integral view or theory of student learning? Is it appropriate, for example, to approach the design process eclectically, using a mixed bag of theories or frameworks to rationalise a particular instructional design? Whatever the answers to these ever present questions, there are a number of theoretical frameworks that deserve particular attention in this context. Some of these are considered below.
Broadly speaking, the theory underpinning measurement of learning styles is that students possess biologically determined learning preferences in respect of environmental, emotional, sociological, physical and psychological conditions (Price, Dunn, & Dunn, 1991). Varying preferences for each of these learning conditions, combine to provide an individual learning style profile. In addition, since preferences are largely biologically determined, a learner's learning style will necessarily be resistant to change, implying that instruction needs to take account of learning styles rather than trying to change them (Murray-Harvey, 1994).
In stark contrast to this conceptualisation, Biggs (1987a, 1987b) suggests that the process of learning is determined by students' approaches to learning that is, a composite of students' motives and strategies (to learn) as well as their perceptions of tasks Importantly, different approaches to learning (and their are four prime approaches: surface, achieving, deep and deep achieving), are open to change and development, according to changes in motives, strategies and task perceptions (Biggs, 1987a; Biggs, 1987b). Furthermore. it is contended that deep and deep achieving approaches to learning are more likely to result in better learning outcomes; and as such, instruction should be provided to encourage students to develop these approaches to learning.
It is not clear. however, that the concept of situated learning allows for the levels of abstraction required for understanding in many domains of knowledge. particularly those studied by university students For example, Laurillard argues cogently that learning in situated contexts does not, by itself, allow for a learner to make abstractions from the particular context and therefore be able to generalise or even be able to apply what is learnt to new situations or contexts (Laurillard, 1993). This has, in particular, an important implication for learning what Laurillard classifies as 'academic knowledge' - she considers academic knowledge to be different to everyday knowledge, drawing a distinction between learning 'precepts' in everyday life and learning 'precepts' in education, implying that learning precepts necessitates students building understanding in a deeper (abstract) sense, a level of understanding which cannot be provided for simply by situating the learning experience (Laurillard, 1993, 23-29).
The difficulty here is that such a polarisation is entirely philosophical, and as such represents fundamentally different views on what is meant by knowing, the role of education and the nature of learning. The polarisation, outside of a philosophical debate, is certainly not helpful in determining effective instructional design. For example, even although the main components of behaviourism (or at least the behavioural theory of Skinner) were largely discredited as general truths in the 1970s, the principles of contiguity, repetition, reinforcement through feedback and motivation are still recognised as important in processes of learning (Entwistle, 1987). Indeed, there are various dimensions in different theories of learning, and not all fit along an imaginary continuum connecting two supposed extremes - this is where Reeves' work on the evaluation of instructional technologies is misleading (Reeves, 1994). If we need a metaphor to represent learning or educational theories as a whole, a series of corresponding and opposing objects, each with its own attributes, some common, some unique, is ultimately a more accurate and useful metaphor than a simple, linear path connecting two poles or extremes.
Perhaps the overriding point is that, in designing and evaluating interactive multimedia we must be prepared to refer to explanations of student learning to describe the most appropriate way of addressing a particular learning situation. Also, that all theories or explanations of learning, be they psychometric, humanistic or behaviouristic, are each credible in helping to understand certain kinds of learning; but that each theory is also partial in that it refers to a limited range of learning situations and that it is often based on a limited set of data.
Given this premise, if we take it as so, how is it possible to reconcile an approach to instructional design that strives to describe the necessary conditions of learning for all learners and for all learning situations? Well, quite simply, it isn't. However, for instructional technologies at least, the influence of Gagne's The Conditions of Learning (Gagne, 1977), and more lately, Merrill's work (Gagne & Merrill, 1990), continues to have a tremendous impact on instructional design, particularly for instructional multimedia - Laurillard describes both as 'key figures in instructional design' (Laurillard, 1993). Merrill has even purported to have computerised this approach to instructional design (Merrill, Li, & Jones, 1990).
In fact, Merrill has recently published a defence and rationalisation of instructional design as a science, against the encroachments of what he terms, 'those persons who claim that knowledge is founded on collaboration rather than empirical science, or who claim that all truth is relative' (Merrill, et al., 1996). In this recent work, he makes a number of crucial points, attempting to re-establish the authority of an instructivist and philosophically uncompromising approach to instructional design:
Understanding certainly depends on knowledge and belief. If you know what causes a phenomenon, what results from it, how to influence, control, initiate, or prevent it, how it relates to other states of affairs or how it resembles them, how to predict its onset and course, what its internal or underlying 'structure' is, then to some extent you understand it. The psychological core of understanding, I shall assume, consists in your having a 'working model' of the phenomenon in your mind If you understand inflation, a mathematical proof, the way a computer works, DNA or a divorce, then you have a mental representation that serves as a model of an entity in much the same way as, say, a clock functions as a model of the earth's rotation (p2)By providing interactive and perhaps multimedia environments on the computer, which are able to accommodate learners' representations or models of conceptual phenomena and allow for predictions, explanations and simulations, then we are providing the means by which learners can represent, explicitly, their own understandings, interact with others' (teacher's or students') representations and come to understand a range of conceptual meanings in relation to their own. The computer, in the shape of a cognitive tool, allows the learner to externalise their thinking, to enrich it, manipulate it and change it, all by interacting with one or more conceptual models on the computer, in the form of a dialogue (whether that dialogue is real and conducted with others, or whether it occurs in the learner's head).
Thus, instead of designing instruction in the form of predetermined instructional goals, each matched with an artificially constructed learning event (Gagne, 1977), it is possible to enable the learners themselves to design by expressing their representations or models of understanding, and by doing so, engage in meaningful cognitive interactions. Jonassen and Reeves describe this process thus:
Instead of specialists such as instructional designers using technology to constrain students' learning processes through proscribed communications and interactions, the technologies arc taken away from the specialists and given to the learners to use as media for representing and expressing what they know. (Jonassen & Reeves, in press)Jonassen and Reeves (in press), limit their view of what constitutes a cognitive tool on the computer. However, for the computer to act as a cognitive tool, it is important, in terms of mental models theory, simply to allow for the building of computer models, which are beneficial to the processes necessary in constructing accurate and appropriate mental models (Wild, 1996).
In a final comment, it is perhaps sobering to remember that multimedia, as a technology, imposes a set of restrictions upon learning - as well as some opportunities. These restrictions are not always present in more traditional instructional contexts and we should perhaps consider that multimedia is not an ideal medium for all types of instruction - it does not, for example, represent conversation, dialogue or negotiation very well, as learning processes.
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|Please cite as: Wild, M. (1996). Perspectives on the place of educational theory in multimedia. In J. G. Hedberg, J. Steele and S. McNamara (eds), Learning Technologies: Prospects and Pathways, 168-172. Selected papers from EdTech'96. Canberra: AJET Publications. http://www.aset.org.au/confs/edtech96/wild.html|