본 연구에서는 Han(2017)의 연구에서 수정된 오정보 효과 검증을 위한 실험재료를 번역한 후 이 실험재료를 사용하여 한국인들에게서도 오정보 효과를 관찰할 수 있는지 확인하였다(연구 1). 또한 한국인들의 자료와 Han(2017)의 연구에서 사용된 미국인들의 자료를 통합하여 오정보 제시여부, 정보의 유형 및 서로 다른 인지양식을 반영할 것으로 기대되는 참가자 국적에 따른 시간적 구조 및 대상정보에 대한 기억을 비교하였다(연구 2). 연구 결과, 연구 1에서 번역한 Han(2017)의 실험재료를 사용하여 한국인들에게서 오정보 효과를 관찰할 수 있었으며, 오정보 효과는 시간정보와 대상정보 모두에서 관찰되었다. 연구 2에서 오정보 제시여부, 정보유형, 참가자 국적에 따라 재인검사의 정답률을 비교한 결과, 세 독립변인의 주효과, 오정보 제시여부와 정보유형의 이원 상호작용효과 및 세 독립변인의 삼원 상호작용효과가 통계적으로 유의한 것으로 나타났다. 요약하면, 오정보를 제시 받지 않은 정보와 대상정보에 대한 정답률이 높았고, 미국자료의 정답률이 한국자료의 정답률보다 높았다. 오정보 효과는 시간정보보다 대상정보에서 더 크게 나타났으나, 오정보 제시여부와 정보유형의 이원 상호작용효과는 한국자료에서만 관찰되었다. 논의에서는 본 연구의 학문적 가치와 제한점에 대해 논의하였다.
In Study 1, the author translated the material which is modified by Han(2017) and allows researchers to examine misinformation effect about background (temporal structure of event) and object information. Eighty-five Korean participants were participated in Study 1 and tested their memory after misled by temporal and object post-event information about a story. The translated material could produce misinformation effect in both types of information. In Study 2, a 3-way ANOVA was conducted with combined data collected from Korea and the U.S to test the effects of three IVs (whether misled or not, the type of information and the nationality of the participants) on memory after misled by temporal and object information. As results, the main effects of all three IVs, the 2-way interaction effect of whether misled or not and the type of information, and the 3-way interaction effect of all the three IVs were statistically significant. In sum, the higher accuracy rate was obtained when the participants were not misled, and they were more accurate about the information about object. Americans tended to be more accurate. The misinformation effect was larger when the participants were misled by object information. The 2-way interaction effect was found only in the Korean sample. In the discussion, the implication of the current study was discussed.
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