The Effects of Data-Driven and Conceptually Driven Generation of Study Items on Direct and Indirect Measures of Memory

Abstract

Two experiments are reported which investigated the effects of data-driven generation of study items on direct and indirect measures of memory. Previous research in the field of implicit memory has traditionally employed generation procedures at encoding which focused on conceptually driven processing. The present study undertook to devise data-driven generation procedures that were predicted to lead to a generation effect on word-stem completion.

In Experiment 1 subjects had to generate target items from anagrams and newly developed “assemblograms”, requiring mainly data-driven processing, as well as from semantic cues and definitions, involving mainly conceptually driven processing. Effects of these generate conditions were compared to the usual name condition on a direct word-stem cued recall test, and on an indirect word-stem completion test. Differences between data-driven generation on the stem completion task and the name condition failed to reach significant differences in retention.

In Experiment 2 subjects generated targets from assemblograms and from semantic cues. The data revealed the predicted occurrence of a generation effect on an indirect memory test following data-driven generation. The finding of a generation effect in an indirect as opposed to a direct memory test was seen as support for the view that generating a study item may enhance data-driven as well as conceptually driven processing, depending on the processing demands made by generation procedures. The results were interpreted within the transfer-appropriate processing framework, with additional reference to Glisky and Rabinowitz's two-component account of generation effects (Glisky & Rabinowitz, 1985).

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