친숙화－새로운 자극 선호 절차를 통한 6개월 영아의 재인 능력과 특수 인지 능력의 17개월 영아 IQ에 대한 예측 = Prediction of 17-month-old infants' global Intelligence from 6-month-old infants' visual recognition memory and specific cognitive abilities

다국어 초록 (Multilingual Abstract)

The primary purpose of this study was to investigate the prediction of 17-month-old infants' global intelligence from 6-month-old infants' visual recognition memory and specific cognitive abilities. The secondary purpose was to investigate whether specific cognitive abilities such as object permanence and imitative ability as well as demographic variables can contribute to the prediction of 17-month-old infants' global intelligence. Recognition memory was meant to be the novelty rate which was measured by a familiarization-novel stimulus preference procedure. 17-month-old infants' global intelligence was measured by means of CAS-2(Cognitive Ability Scale-2). The recognition memory of 6-month-old infants was significantly correlated with 17-month-old infants' global intelligence. 17-month-old infants' global intelligence was shown to have a significant correlation with the object permanence measured at 15 months old, and with imitative ability at 9-, 11-months old, respectively. Moreover, demographic variable was not significantly correlated with 17-month-old infants' global intelligence. It is noteworthy in this study that 17-month-old infants' global intelligence was predictable only through recognition memory which was the one and only variable among various variables measured at a relative early age around 6 months old.

국문 초록 (Abstract)

본 연구의 첫째 목적은 6개월 영아의 시각적 재인기억이 17개월 영아의 전반적 지능을 예언할 수 있는지를 검토하는 것이었다. 둘째 목적은 17개월 이전에 측정된 대상영속성 및 모방과 같은 특수인지능력들과 인구통계학적 변인들이 17개월 영아의 지능을 예측할 수 있는지를 검토하고자 하는 것이었다. 재인기억은 친숙화-새로운 자극 선호 절차를 통한 신기성 비율로서 측정하였다. 17개월 영아의 전반적 지능(IQ)을 측정하는 데에는 CAS-2를 사용하였다. 6개월 영아의 재인기억은 17개월의 전반적 지능과 유의한 상관이 있었다. 특수 인지 능력 중에서 15개월에 측정된 대상 영속성 점수, 그리고 9개월과 11개월에 측정된 모방 점수만 전반적 지능과의 상관이 유의하였다. 그 외에 인구통계학적 변인은 전반적 지능과의 상관은 유의하지 않았다. 본 연구에서 무엇보다도 6개월과 같은 초기의 지표 중에서 재인기억만이 17개월의 지능을 예측할 수 있음을 보여 주었다.

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