Testing the instructional fit hypothesis: The case of self-explanation prompts

Timothy J. Nokes, Robert G M Hausmann, Kurt VanLehn, Sophia Gershman

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

Cognitive science principles should have implications for the design of effective learning environments. The self-explanation principle was chosen for the current work because it has developed significantly over the last 20 years. Early formulations hypothesized that self-explanation facilitated inference generation to supply missing information about a concept or target skill, whereas later work hypothesized that self-explanation facilitated mental-model revision (Chi, Handbook of research on conceptual change, 2000). To better understand the complex relationship between prior knowledge, cognitive processing, and changes to a learner's representation, two classes of self-explanation prompts (gap-filling and mental-model revision) were tested in the domain of physics problem solving. Prompts designed to focus the learner on gap-filling led to greater learning and a reduction in the amount of tutoring assistance required to solve physics problems. The results are interpreted as support for the instructional fit hypothesis-the idea that the efficacy of instruction is contingent on the match between the cognitive processing that the instruction elicits, how those processes modify the underlying knowledge representations for the task, and the utility of those representations for the task or problem.

Original languageEnglish (US)
Pages (from-to)645-666
Number of pages22
JournalInstructional Science
Volume39
Issue number5
DOIs
StatePublished - Sep 1 2011

Keywords

  • Intelligent tutoring systems
  • Prompting
  • Self-explanation
  • Worked examples

ASJC Scopus subject areas

  • Education
  • Developmental and Educational Psychology

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