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J Exp Psychol Learn Mem Cogn. 2003 Nov;29(6):1210-30.

Item recognition memory and the receiver operating characteristic.

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School of Behavioural Sciences, University of Newcastle, Callaghan, NSW, Australia.


Four experiments were conducted to investigate the effects of study time, study repetition, semantic and orthographic similarity, and category length on item recognition memory receiver operating characteristics (ROCs). Analyses of ROC shape rejected A. P. Yonelinas's (1994) dual-process model. The normal unequal variance signal-detection model provided a better account of the data, except for a small but consistent excess of high-confidence errors. It was found that z-transformed ROC slope was increased by similarity, category length, and study item repetition, rejecting R. Ratcliff, G. McKoon, and M. Tindall's (1994) "constancy-of-slopes" generalization for these variables, but slope was relatively unaffected by massed study time.

[Indexed for MEDLINE]

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