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The misinformation effect is characterized by a decrease in accuracy for a witnessed event that is brought upon by the introduction of post-event information. We studied this effect within a repeated testing paradigm, which has been shown to increase the misinformation effect (e.g., Chan, Thomas, & Bulevich, 2009). We hypothesized that warning participants about misleading post-event information ... read morewould increase accuracy on a subsequent test compared to participants that were not warned. This hypothesis was investigated across two experiments using warnings that came either before or after the introduction of post-event information. We also aimed to determine if warnings improved the confidence-accuracy relationship on misleading trials. We found that both types of warnings reduced the misinformation effect, but only post-warnings improved the confidence/accuracy relationship in this repeated testing paradigm. This suggests that individuals may still have access to their original memories and can access them when warned against misinformation.
Thesis (M.S.)--Tufts University, 2019.
Submitted to the Dept. of Psychology.
Advisor: Ayanna Thomas.
Committee: Jessica Karanian, and Elizabeth Race.
Keyword: Cognitive psychology.read less
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