The use of indirect and opposition tests to detect simulated amnesia

Jacqueline Spencer*, Sachiko Kinoshita

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Two experiments investigated the effect of instruction to simulate memory impairment on performance on a word stem completion task. In addition to the standard control group, a second control group (divided-attention group) studied the target words concurrently with a digit-monitoring task. Experiment 1, using the indirect instruction, did not discriminate clearly between the groups. Experiment 2 used the opposition instruction in which participants were required to complete stems with words they had not seen earlier. It showed that simulators and controls withheld significantly more studied target items than did the divided-attention group. Increasing the number of study list presentations further increased the difference between the performance of the simulating and control groups and the divided-attention group. These results suggest that the opposition method may be useful in detecting feigned memory impairment.

Original languageEnglish
Pages (from-to)442-455
Number of pages14
JournalJournal of Clinical and Experimental Neuropsychology
Volume29
Issue number4
DOIs
Publication statusPublished - May 2007

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