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Information enforcement and learning with interactive graphical systems

Dobson, M. (1999) Information enforcement and learning with interactive graphical systems. Learning and Instruction, 9 (4). pp. 365-390. ISSN 0959-4752

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Abstract

This article describes two studies which assess the benefit of using the specificity principle as a criterion for choosing between alternative graphical representations in teaching and learning. The specificity principle was interpreted as a metric called the information enforcement metric. This is simply a ratio between the total number of states a representational system can support and the number of states or referents in the material being presented. The value of the metric is tested by comparing ratios for several representational teaching systems, with the learning outcomes achieved by subjects using interactive software based on those systems. Counting the states in a representational system is complex, however it is made more simple for some systems by using an intermediate representation. Results show that while the specificity principle is able to predict learning outcomes at a course grain of analysis, that is between systems which are highly expressive and those which are far more specific, between systems of similar specificity the principle interpreted in this way is not validated. A second study shows that students' difficulties in understanding lexical conventions are more pronounced in the least specific of the systems evaluated. This casts further doubt on the value of the specificity principle as a guideline for designing interactive graphical systems for teaching and learning. Several suggestions are offered for developments of this work.

Item Type: Article
Journal or Publication Title: Learning and Instruction
Uncontrolled Keywords: Media selection ; Graphics ; Specificity logic ; Reasoning ; Multiple representations ; Venn ; Euler ; Carroll
Subjects: L Education > LB Theory and practice of education
Departments:
ID Code: 19846
Deposited By: Ms Margaret Calder
Deposited On: 14 Nov 2008 16:46
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 15:35
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/19846

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