Authors: Hiroshi Miura, Daisuke Shimane and Yuji Itoh (三浦大志・島根大輔・
伊東裕司)

Title: A field experiment demonstrating person misidentification at an
appointed meeting place

Journal(書誌情報）: Applied Cognitive Psychology,

doi: https://doi.org/10.1002/acp.4199

論文URL:
https://doi.org/10.1002/acp.4199

Abstract: Mistaking a person for another sometimes occurs; however, few
studies have examined it experimentally. Therefore, the reasons behind this
kind of person misidentification and its occurrence rate remain unclear, and
thus we aimed to demonstrate person misidentification occurs with a certain
probability through a field experiment. We also sought to examine whether
the similarity between two people affects the occurrence of person
misidentification. When 66 undergraduate participants made a rendezvous with
an acquaintance, another person who wore similar clothes to the acquaintance
or had a similar face appeared. The results showed that in both the
conditions, approximately half of the participants made the person
misidentification error, and one-fourth even spoke to the person mistakenly.
Moreover, the results indicated that clothing contributed to person
misidentification just as much as the face at first sight but became less
important over time. This suggests a dynamic shift in person identification
depending on time.

著者Contact先の email: hiroshi9[at]f7.dion.ne.jp （[at]を@に変更してください。）

日本語によるコメント:
人違いは日常で時々起こりますが、人違いに関する実証研究はほとんど行われており
ません。そこで、人違いが起こりそうな状況を設定したフィールド実験を行いまし
た。その結果、実験参加者のうち約半数が人違いをし、約1/4が人違いをして知らな
い人物に声をかけてしまうことを示しました。また、当該人物を見た当初は、服装は
顔と同程度人違いに寄与しますが、時間が経つにつれて服装の寄与度が下がっていく
ことが示唆されました。人違いをフィールド実験で実証した初めての研究ですので、
今後本研究で用いたような方法で実験が行われ、人違い研究が発展することを望んで
います。

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