Preliminary data concerning the test-retest and parallel-forms reliability of the randt memory test

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Abstract
The Randt Memory Test was designed to measure a fairly broad range of memory functions, including immediate recall and retrieval from long-term memory storage. Five alternate forms of the Randt are available to minimize the possibility of practice effects. However, its test-retest and parallel-form reliability have not been sufficiently investigated. In Study 1, the test-retest reliability of Form A of the Randt across 1 - and 2-week intervals was investigated with 56 undergraduate university students. Results indicated significant increases in the mean scores obtained on the retest occasion for both 1- and 2-week retest intervals. The effect of the length of retest interval was not significant. In Study 2, the parallel-form reliability of Forms A and B of the Randt was investigated. Results of the analyses indicated no significant differences between scores obtained from Form A and Form B. Overall, the results of the two studies indicated the presence of significant practice effects for Form A of the Randt. Parallel-form reliability of the Randt appears to be adequate, suggesting that Forms A and B may be used interchangeably.

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