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A Comparison between Factor Structure and Semantic Representation of Personality Test Items Using Latent Semantic Analysis
잠재의미분석을 활용한 성격검사문항의 의미표상과 요인구조의 비교

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Authors
박성준
Advisor
김청택
Major
사회과학대학 심리학과
Issue Date
2014-08
Publisher
서울대학교 대학원
Keywords
LSAEFAconstruct validityBig Fivesemantic similarityrepresentation
Description
학위논문 (석사)-- 서울대학교 대학원 : 심리학과, 2014. 8. 김청택.
Abstract
In this thesis, semantic representation of personality test items is analyzed through LSA(Latent Semantic Analysis) and compared with factor structure to obtain implications for cognitive process of personality test item response.
Generally, a survey response process consists of four stages: comprehension, retrieval, judgement and response. Traditionally, in order to investigate construct validity of the survey the final response data have been evaluated through exploratory factor analysis. But problem may occur when analyzing factor structure using response data only because such approach can overlook inconsistency of stimulus and response. In order to solve this problem, we need to take a direct approach to semantic representation of personality test items using LSA.
In study 1, using passages generated in a limited context describing Big Five personality traits, a weighted document-term matrix is decomposed to produce semantic space. Furthermore, this thesis suggests ‘semantic similarity matrix’ based on semantic space to compare factor structure with semantic similarity. Using this matrix, study 2 and 3 shows resemblance between factor structure and semantic similarity of personality test items. The results shows stimulus-response consistency. Moreover, the result implies that construct validity of personality test can be evaluated with its semantic representation without analyzing response data. Also, factor structure can be interpreted as semantic similarity of items.
Language
English
URI
http://hdl.handle.net/10371/134368
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College of Social Sciences (사회과학대학)Dept. of Psychology (심리학과)Theses (Master's Degree_심리학과)
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