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ISSN : 1226-9654

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Vol.32 No.2
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반복적 문장기억학습 과제 수행 시 후기 이중언어화자들의 모국어와 외국어 문장기억표상의 변화에 관한 연구

A Study on The Sentence Memory Representation of L1 and L2 of Late Bilingual Speaker in Repetitive Sentence Memory Learning

한국심리학회지: 인지 및 생물 / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2020, v.32 no.2, pp.137-144
https://doi.org/10.22172/cogbio.2020.32.2.001
김상엽 (고려대학교)
남기춘 (고려대학교)
김상엽, & 남기춘. (2020). 반복적 문장기억학습 과제 수행 시 후기 이중언어화자들의 모국어와 외국어 문장기억표상의 변화에 관한 연구. 한국심리학회지: 인지 및 생물, 32(2), 137-144, https://doi.org/10.22172/cogbio.2020.32.2.001
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초록

본 연구의 목적은 후기 이중언어화자(late bilingual speaker)가 모국어와 외국어 문장을 반복적으로 기억하는 학습을 할 때, 모국어와 외국어 문장의 표층적 구조에 대한 표상(표층표상)과 의미적 요소에 대한 표상(의미표상) 강도의 변화에 대해 탐구하는 것이다. 본 연구에는 총 24명(남: 12명, 여: 12명)의 실험 참가자들이 참여하였으며, 실험 참가자들의 평균 연령은 23.2세(SD: 2.08)이고 연령의 범위는 19-27세이다. 모든 실험 참가자들은 문장기억학습 과제를 일주일 간격으로 총 4회 수행하였다. 실험 결과, 모국어의 표층표상강도는 외국어의 표층표상강도보다 유의미하게 낮게 나타났으며, 모국어의 의미표상강도는 외국어의 의미표상강도보다 유의미하게 높게 나타났다. 또한, 문장을 4회 반복적으로 기억하는 학습을 수행할 때는 모국어의 표층표상강도와 의미표상강도에는 유의미한 변화가 나타나지 않았다. 반면에, 외국어의 표층표상강도는 의미표상강도보다 유의미하게 높았으며, 문장을 4회 반복적으로 기억하는 학습을 수행할 때는 표층표상강도가 유의미하게 증가하였으며 의미표상강도는 유의미하게 감소하였다. 결과적으로 본 연구의 함의점은 첫째, 언어에 능숙할수록 문장에 대한 표층표상기억 보다는 의미표상기억의 강도가 크게 나타난다는 것과 둘째, 문장을 4회 반복해서 학습하는 경우 모국어 문장 학습에서는 문장의 구성적 요소와 의미적 요소 모두 기억학습이 나타나지 않는다는 것과 외국어 문장 학습에서는 문장의 의미적 요소보다는 구조적 요소에 대한 기억학습이 나타난다는 것이다.

keywords
sentence, memory, representation, bilingual speaker, signal detection theory, 문장, 기억, 표상, 이중언어화자, 신호탐지이론

Abstract

The purpose of this study was to investigate the representational strength of surface and semantic memory structures in L1(first language) and L2(second language) of the late bilingual by performing the repetitive sentence memory task. In this study, 24 participants (male: 12, female: 12) took part in this experiment and their average age is 23.2(SD: 2.08). They repeated this task 4 times with a week interval between each. As a result, the strength of surface representation of L1 is significantly lower than that of L2. However, the strength of semantic representation of L1 is significantly higher than that of L2. In addition, the strengths of surface and semantic representation of L1 have not significantly changed after 4 times participation. In contrast, the strength of surface representation of L2 enhanced and the strength of semantic representation of L2 declined after 4 times participation. Consequently, the first implication is that being more proficient to language enhances the strength of semantic representation but degrades the strength of surface representation in sentence memory. The second is that the strengths of surface and semantic representations would not significantly changed as being more proficient to language, however, as language becomes less proficient, surface representation would develop and semantic representation would decline after 4 times repetitive participation.

keywords
sentence, memory, representation, bilingual speaker, signal detection theory, 문장, 기억, 표상, 이중언어화자, 신호탐지이론

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