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E-ISSN : 2733-4538
본 연구에서는 주의력 결핍 과잉행동 장애 가능성이 높은 아동들과 정상 아동들의 보상 양에 대한 반응 편파 양상과 변별력 및 반응 시간을 알아보았다. 초등학교에 재학중인 9-12세 남자 아동 총 60명을 대상으로 한국형 Conners 교사용 평정 척도를 사용하여 주의력 결핍 과잉행동 장애 가능성이 높은 아동 집단 28명과 정상 아동집단 32명으로 구분하였다. 개념 구별 과제인 Wisconsin Card Sorting Test의 모양과 수 자극을 사용하여 각 집단의 절반에게는 모양에 따라 올바르게 분류했을 때와 수에 따라 올바르게 분류했을 때의 자극 보상 비율을 3:1로 주었으며 나머지 절반에게는 1:3으로 주었다. 그 결과 정상 아동들이 주의력 결핍 과잉행동 장애 아동들에 비해 더 많은 보상을 받은 자극에 대해 유의미하게 편파된 반응을 보였다. 이러한 결과는 주의력 결핍 과잉행동 장애 가능성이 높은 아동들이 정상 아동들에 비해 보상에 둔할 뿐 아니라 보상의 확률에 대한 내재화된 정보보다는 즉각적인 맥락에 따라 행동을 결정하는 경향이 있음을 시사한다. 마지막으로 본 연구의 문제점과 제안점에 대해서 논의하였다.
The present study aimed to explore the response bias pattern, discriminability, and reaction time of boys with and without attention deficit hyperactivity tendency by the differences in reward amount. Sixty subjects from 9 to 12 years of age were divided into two groups, 28 for attention deficit hyperactivity tendency and 32 for control group, according to Conners' abbreviated teacher rating scale. They were asked to identify Wisconsin Card sorting Test by form and number stimulus. Half of each group received reward differently. Half of Each group were rewarded 3 times much more when they identified form successfully and the others did number stimulus. Control group showed significant response bias toward more rewarded stimulus than attention deficit hyperactivity tendency group did. These findings suggest that children with attention deficit hyperactivity tendency are less sensitive to toward and their behavior isn't controlled by indwelling information of reward possibility, but immediate contingencies. The limitations and implications of this study were discussed.
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