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Korean Journal of Psychology: General

ISSN : 1229-067X

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Vol.30 No.1

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Semantic Structure of the Elderly Koreans as Assessed by Category Fluency Test: Effects of Literacy and Education

Korean Journal of Psychology: General / Korean Journal of Psychology: General, (P)1229-067X; (E)2734-1127
2011, v.30 no.1, pp.227-242



& (2011). Semantic Structure of the Elderly Koreans as Assessed by Category Fluency Test: Effects of Literacy and Education. Korean Journal of Psychology: General, 30(1), 227-242.

Abstract

It has been reported that illiterate elderly people or elderly people with low educational background obtain lower scores on verbal concept formation tasks compared to control subjects. Several studies have suggested that deterioration in the structure of semantic networks may underlie verbal conceptual dysfunctions. In this study we examined the semantic structure in the elderly Koreans by analyzing the responses of Category Fluency test quantitatively and qualitatively. Healthy elderly subjects were recruited from the local community. The Category Fluency Test involved two semantic categories: i.e., animal and supermarket. The study examined the clustering and switching variables in the two categories and employed multidimensional scaling (MDS) to derive the internal cognitive maps of the three groups of elderly subjects: the illiterate with low education, the literate with low education, and the literate with high education. Three groups demonstrated similar cognitive maps with domestic dimension in semantic structure. However, clustering and switching variables indicated that literacy was related to the number of words generated on both fluency tests and higher education was associated with more switching. These results suggest that the semantic structure in the illiterate elderly or the elderly with low educational background was less organized than that of the literate counterpart with high educational background.

keywords
범주유창성 과제, 언어적 개념형성, 의미지식 구조, 문식성과 교육 효과, Category Fluency Test, Verbal Concept formation, Semantic Structure, Effects of Illiteracy & Education

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