ISSN : 1226-9654
어떤 시각적 사건이 발생했을 때 사람들은 흔히 그 원인을 추론하곤 한다. 본 연구에서는 한 물체의 갑작스런 표면색 변화가 일어났을 때, 관찰자들이 이 결과의 원인을 다른 물체와 공간적 관계에 두려는 경향을 검토하였다. 실험에 사용된 3분짜리 동영상에서 두 개의 초록색 물체는 자유로이 움직이다가 동영상의 끝 무렵에 목표 물체의 색이 빨간색으로 바뀌었다. 네 개의 서로 다른 동영상에서 두 물체의 거리가 멀거나 짧게 혹은 접촉이 1회와 3회로 조작되었다. 실험목적을 최대한 은폐하려고 피험자간 디자인으로 각 참여자는 네 가지 동영상 가운데 하나 만을 관찰한 후 목표 물체의 색 변화와 다른 물체가 얼마나 강한 관계가 있는지를 평정하였다. 그 결과 두 물체의 거리가 가까울수록 그리고 접촉을 한 조건에서 목표 물체의 색 변화는 다른 물체 때문이라고 지각하려는 경향이 발견되었다. 그렇지만 접촉 회수 효과는 발견되지 않았다. 따라서 어떤 물체의 색 변화 사건의 인과성 지각에 다른 물체와 가까운 거리 혹은 단순 접촉 여부가 중요한 요인임을 시사한다.
When an visual event occurs, people try to infer the cause of the event. In this study, it was examined that, when an object changes its surface color, how its spatial distance or contact to another object influenced the perception of causality of the color change. The test animations consisted of two moving objects that were in green initially and one of them changed its surface color into red in the end of the movie. In the 4 different conditions, either the spatial distance or the number of contact between the two objects varied. A between-subjects design was introduced to blind the purpose of the experiment. The observers watched only one of the 4 movies randomly and they were asked to rate how strongly the target object's color change was influenced by the other object. In the result, the observers were more likely to attribute the cause of the color change into the other object in the contact conditions than the distance conditions. Therefore, we concluded that contact played a crucial role for the perception of causality of an object's surface color change event.
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