The role of accuracy motivation on children's and adults' event recall.

To examine the role of accuracy motivation in event recall, 6-, 7-, and 8-year-old children and adults were shown a short video about a conflict between two groups of children. Three weeks later, participants were asked a set of unbiased specific questions about the video. Following A. Koriat and M. Goldsmith's (1994) distinction of quantity- and quality-oriented memory assessments, and based on their model of strategic regulation of memory accuracy (1996), accuracy motivation was manipulated across three conditions. Participants were (a) forced to provide an answer to each question (low accuracy motivation), (b) initially instructed to withhold uncertain answers by saying "I don't know" (medium accuracy motivation), or (c) rewarded for every single correct answer (high accuracy motivation). When motivation for accuracy was high, children as young as 6 were to withhold uncertain answers to the benefit of accuracy. The expected quality-quantity trade-off emerged only for peripheral items but not for the central items. Participants who were forced to provide an answer gave more correct answers but also high numbers of incorrect answers than participants who had the option to answer "I don't know." The results are discussed in terms of the underlying model as well as in terms of forensic interviewing.

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