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Implications of a Short-Term Memory Method for a K-Span Learning Model: Some Data on Children NICHD

Freedle, Roy O.
Publication Year:
Report Number:
ETS Research Bulletin
Document Type:
Page Count:
Subject/Key Words:
National Institute for Child Health and Human Development (NICHD), Learning Processes, Mathematical Models, Memory, Psychological Testing, Responses


Sequential analyses of learning data collected in noncontingent 2-choice probability learning studies often reveal that a response made on trial n is strongly influenced by the pattern of events which occurred over the last few trials. A learning model which incorporates such a memory of recent events as a basic assumption has been found recently to be only approximately correct. The present study introduces a new memory test which attempts to assess some of the assumptions made by the k-span model. The data suggest that certain modifications of the model are called for.

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