| Summary: | Previous research (Sharman & Calacouris, 2010. Motivated imagination inflation: Implicit and explicit motives predict imagination inflation for achievement and affiliation events. Experimental Psychology, 57, 77–82) found that participants’ achievement-motivation was associated with the inflation of memory and confidence for unlikely achievement-related events in childhood. Similarly, other research has shown correlations between achievement motivation and grade inflation. In the current studies, we experimentally investigate the effect of false feedback and achievement-motivation on memory distortion for an unlikely childhood event (e.g. inventing an important device). In Experiment 1, we found that false feedback did have an effect, but contrary to previous research, self-reported achievement-motivation was not a statistically significant correlate of memory distortion. In Experiment 2, we again found a main effect for false feedback, no main effect of motivation, and an interaction. Both Experiments did not find, as earlier research had, a significant relationship between achievement-motivation and achievement-related memory distortion. We suggest others use different methods to ours when attempting to demonstrate a causal relationship between motivation and false memories. © 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group.
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