Difference between revisions of "Corrective self-explanation"
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Revision as of 08:09, 15 February 2010
- 1 Brief statement of principle
- 2 Description of principle
- 3 Experimental support
- 4 Theoretical rationale
- 5 Conditions of application
- 6 Caveats, limitations, open issues, or dissenting views
- 7 Variations (descendants)
- 8 Generalizations (ascendants)
- 9 References
Brief statement of principle
Explaining how and why incorrect solutions are incorrect will help students to reject incorrect knowledge components and, thus, stop using incorrect strategies to solve problems.
Description of principle
Booth's Corrective self-explanation exercises:
Laboratory experiment support
Siegler (2002) found that having students self-explain incorrect answers as well as correct answers increased learning of mathematical equality problems than explaining only correct answers.
Siegler & Chen (in press) also found that asking children to explain both why correct answers were correct and why incorrect answers were incorrect was more effective for learning to solve water displacement problems than only requesting explanations of correct answers.
In vivo experiment support
Preliminary results from Booth suggest that while completing any typical or corrective self-explanation exercises improve procedural performance for solving algebraic equations (Booth, Koedinger, & Siegler, 2007), corrective self-explanation may uniquely improve conceptual knowledge about features in the equations.
As a form of self-explanation, corrective self-explanation works via making knowledge explicit. Unlike typical self-explanation, however, corrective self-explanation focuses on making explicit 1) that a given knowledge component is wrong and 2) why the knowledge component is wrong (what features about the situation make the knowledge inappropriate.
Conditions of application
1. Corrective self-explanation is likely only useful when students also recieve experience that will facilitate construction of correct knowledge components. If students recieve only corrective self-explanation, they may come to reject their incorrect knowledge components, but if they have nothing to replace them with, they will either flounder (having no way to solve the problem), or revert to use of the only strategy they know, even though they know it is incorrect.
2. Grosse & Renkl (in press) also show that explaining incorrect examples is difficult for poor learners if the step where the error occurred is not highlighted. If this is not made clear, students have difficulty detecting and explaining the error.
Caveats, limitations, open issues, or dissenting views
- Booth, J.L., Paré-Blagoev, J. & Koedinger, K.R. (2010). Transforming equation-solving assignments to improve algebra learning: A collaboration with the SERP-MSAN Partnership. Paper to be presented at the annual meeting of the American Educational Research Association.
- Booth, J.L., Koedinger, K.R., & Siegler, R.S. (2007, October). The effect of corrective and typical self-explanation on algebraic problem solving. Poster presented at the Science of Learning Centers Awardee’s Meeting in Washington, DC.
- Große, C. S., & Renkl, A. (2007). Finding and fixing errors in worked examples: Can this foster learning outcomes? Learning and Instruction, 17, 612-634.
- Rittle-Johnson, B. (2006). Promoting transfer: Effects of self-explanation and direct instruction. Child Development, 77, 1–29.
- Siegler, R. S., & Chen, Z. (2008). Differentiation and integration: Guiding principles for analyzing cognitive change. Developmental Science, 11, 433-448.
- Siegler, R. S. (2002). Microgenetic studies of self-explanations. In N. Granott & J. Parziale (Eds.), Microdevelopment: Transition processes in development and learning (pp. 31-58). New York: Cambridge University.