GRE (Graduate Record Examinations) Psychology Thinking-Problem Solving Study Material (Page 2 of 5)

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Stages of Problem Solving


Problem solving is a systematic process consisting of well-defined stages. Wallace in 1926 defined following four stages, preparation, incubation, illumination and verification (discussed in Creativity) . This model was supported in 2006 by Vinack.

Bransford and Stein in 1984 called these stages as IDEAL that is “Identify, Define, Explore, Act, and Look.”

Elliot in 2000 presented DUPE model that is “Defining just what the problem is; Understanding its nature; Plan for its solution; Evaluate your plan.”

Rules in Problem Solving

  • Algorithms: These are set of rules which if followed correctly will guarantee a correct solution for example rule of multiplication or addition if followed correctly give correct solution
  • Heuristics: These are strategies usually based on past experience that are likely …

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