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Validation Study of the Korean Version of the Reward Probability Index(RPI)

Validation Study of the Korean Version of the Reward Probability Index(RPI)

초록/요약

The purpose of the current study was to translate and validate the Reward Probability Index(RPI) developed by Carvalho and colleges(2011) with Korean adults. Exploratory Factor Analysis conducted with non-clinical 300 adults reported a two factor structure with 15 items. Confirmatory Factor Analysis with 400 non-clinical adults supported the two factor model. Results indicate a strong factor structure, internal consistency and test-retest reliability. Convergent and divergent validity were also supported. Study 2 applied the Korean RPI to examine the relationship between negative affectivity and depression. As a result, Experiential Avoidance and Reward Probability partially mediated the relationship between Negative Affectivity and Depression. These findings suggest that negative affectivity indirectly had an impact on depressive symptoms through the signifiant mediating effects of experiential avoidance and reward probability. Based on these results, implications, limitations, and suggestions for future research were discussed.

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목차

■ Abstract ⅰ
■ Table of Contents ⅱ
■ List of Tables v
■ List of Figures ⅴi

I. Introduction 1

Study 1. Validation Study of the Korean Version of the Reward Probability Index 4

II. Purpose of the Study 7

III. Method 8
1. Participants 8
2. Measures 9
3. Procedure 12
4. Statistical Analysis 13

IV. Results 15
1. Exploratory Factor Analysis 15
2. Reliability Analysis 19
3. Confirmatory Factor Analysis 19
4. Convergent-Discriminant Validity 22

V. Discussion 25


Study 2. The relationship between Negative Affectivity and Depression :The mediating effect of Experiential Avoidance and Reward Probability 28
I. Introduction 28
II. Theoretical Background 30
1. Negative Affectivity 30
1) Negative Affectivity and Depression 31
2. Experiential Avoidance 32
1) Negative Affectivity and Experiential Avoidance 34
2) Experiential Avoidance and Depression 35
3. Reward Probability 37
1) Negative Affectivity and Reward Probability 37
2) Experiential Avoidance and Reward Probability 38
3) Reward Probability and Depression 40

III. Purpose of the Study 42

IV. Method 44
1. Participants 44
2. Measures 44
3. Statistical Analysis 44

V. Results 45
1. Descriptive Statistics 45
2. Measurement Model Assessment 45
3. Comparisons of the Research Models 46
4. Mediation Analysis 50

VI. Discussion 51

VII. General Discussion 53

■ Reference 58
■ Appendix 70
■ 국문 초록 83

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