Researchers studying memory conformity have made significant advances in our understanding of the phenomenon, but have used methods with significant shortcomings. Mori's three-stage method addresses many of these concerns. To date the technique has not been replicated on a Western sample. We present such a study, and discuss two significant improvements to Mori's method. We found that subjects were more likely to report the correct answer for non-discussed critical details than discussed critical details. Our data also suggested that when subjects agreed with their partner's information during the discussion, they did so because they thought that information was accurate; only a minority of the time did they go along with their partner during discussion and revert to their own answer at the test. We draw parallels between the unknown mechanisms driving memory conformity effects and the search for mechanisms driving the misinformation effect two decades ago.
In this experiment, we ask whether photographs can lead to false memories for elements of a newspaper story. Participants played the role of a newspaper editor, identifying minor typographical errors in three newspaper articles and marking the text where they thought an accompanying photo should be placed when the story was printed. The critical article described a hurricane's effects on a coastal region; the story made no mention of personal injury or death. We varied the accompanying critical photo: participants saw either a photo of a village before the hurricane hit or after. In a later memory test, both 'Before' and 'After' participants were equally good at correctly recognising old statements and rejecting weak lures. However, the 'After' participants claimed to have read information describing death and injury 32% of the time. By comparison, 'Before' participants claimed to have read these statements only 9% of the time. Copyright ' 2007 John Wiley & Sons, Ltd.Published source must be acknowledged ; Must link to publisher version ; Set statements to accompany deposits (see policy
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