Reliability and Validity of the Brief Schema Questionnaire for Adult

Jin Woong Yoon; Chung Yeub Chung; Dong Woo Lee; Jae Hyun Shin; Jang Won Cho; Chong Ki Kim; Seul Ki Choi; Jae Ock Kim

doi:10.4306/jknpa.2019.58.2.138

Journal List > J Korean Neuropsychiatr Assoc > v.58(2) > 1126754

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Yoon, Chung, Lee, Shin, Cho, Kim, Choi, and Kim: Reliability and Validity of the Brief Schema Questionnaire for Adult

Original Article

Journal of Korean Neuropsychiatric Association 2019; 58(2): 138-145.

Published online: 31 May 2019

DOI: https://doi.org/10.4306/jknpa.2019.58.2.138

Reliability and Validity of the Brief Schema Questionnaire for Adult

Jin Woong Yoon, MD¹, Chung Yeub Chung, MD², Dong Woo Lee, MD, PhD³, Jae Hyun Shin, MD⁴, Jang Won Cho, MD⁵, Chong Ki Kim, MD⁶, Seul Ki Choi, MA⁷, Jae Ock Kim, MD⁸

¹Department of Neuropsychiatry, Gongju National Hospital, Gongju, Korea.

²Institute of Mental Health, Psychiatricnews, Seoul, Korea.

³Department of Psychiatry, Sanggye Paik Hospital, College of Medicine, Inje University, Seoul, Korea.

⁴Gangnam Pureun Psychiatric Clinic, Seoul, Korea.

⁵Chungmugong Leadership Center, Naval Education and Training Command, Republic of Korea Navy, Changwon, Korea.

⁶Department of Psychiatry, Hanyang University Hospital, Seoul, Korea.

⁷Deajeon Youth Detention Center, Ministry of Justice, Daejeon, Korea.

⁸Department of Psychiatry, Navy 3rd Fleet Medical Corps, Yeongam, Korea.

Address for correspondence: Jae Ock Kim, MD. Department of Psychiatry, Navy 3rd Fleet Medical Corps, 321 Yongdang-ro, Samho-eup, Yeongam 58449, Korea. Tel +82-61-263-4818, Fax +82-61-263-4820, allkightkjo@gmail.com

Received 10 January 2019 Revised 30 January 2019 Accepted 12 February 2019

Korean Neuropsychiatric Association

Abstract

Objectives

The aim of this study was to develop a brief schema questionnaire for adults (BSQ-A) and investigate its validity and reliability.

Methods

A 36-item questionnaire was developed or selected by six psychiatrists. The questionnaire was administered to 209 subjects in Seoul and Gyeonggi area. The construct validity was investigated by performing principal component analysis, and the reliability was assessed in terms of the internal consistency using Cronbach's alpha.

Results

The principal component analysis revealed 18 factors underlying 18 early maladaptive schemas (EMSs). These 18 factors accounted for 87.488% of the common variance. The Cronbach's alpha was high, indicating that the reliability of the questionnaire was satisfactory. Every schema showed a positive correlation with most psychological measures.

Conclusion

The results indicate that the BSQ-A is a reliable and valid scale for assessing EMSs. Although there are many limitations, the present study is expected to form the basis of future research.

Keywords: Brief Schema Questionnaire, Early maladaptive schema, Reliability, Validity

Figures and Tables

Table 1

Sociodemographic data of participants

EY : Education years, SD : Standard deviation

Table 2

Descriptive statics for the subscales of BSQ-A (n=198)

Standard error of skewness=0.173, standard error of kurtosis=0.344. SD : Standard deviation, BSQ-A : Brief Schema Questionnaire for Adult

Table 3

Item-total correlations and Cronbach's alpha for BSQ-A (n=198)

BSQ-A : Brief Schema Questionnaire for Adult

Table 4

Pearson's correlations between the BSQ-A, YSQ-S3, SCL-90-R, K-MDQ, SRI, and K-SPRINT (n=198)

^* : p<0.05, ^** : p<0.01. BSQ-A : Brief Schema Questionnaire for Adult, YSQ-S3 : Young Schema Questionnaire-short form 3, SCL-90-R : Symptom checklist-90-Revision, K-MDQ : Korean version Mood Disorder Questionnaire, SRI : Stress Response Inventory, K-SPRINT : Korean version of the short post-traumatic stress disorder Rating Interview

Table 5

Principal component analysis for a 18-schema structure

Notes

^{Conflicts of Interest} The authors have no financial conflicts of interest.

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