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Peer reviewedKotovsky, Kenneth; Simon, Herbert A. – Cognitive Psychology, 1990
Two characteristics that determine problem difficulty--the nature of the move search space and its interaction with other aspects of the task--were investigated in experiments in which 26, 69, 42, and 42 community college students attempted to solve the Chinese Ring Puzzle. The origins and implications of difficulty are discussed. (SLD)
Descriptors: Cognitive Processes, College Students, Difficulty Level, Higher Education
Peer reviewedKaplan, Craig A.; Simon, Herbert A. – Cognitive Psychology, 1990
Attaining the insight needed to solve the Mutilated Checkerboard problem, which requires discovery of an effective problem representation (EPR), is described. Performance on insight problems can be predicted from the availability of generators and constraints in the search for an EPR. Data for 23 undergraduates were analyzed. (TJH)
Descriptors: Cognitive Processes, Computer Simulation, Difficulty Level, Heuristics
