Psychiatry Investigation

Confirmatory Factor Analysis of the PTSD Checklist for DSM-5 in Psychiatric Outpatients With PTSD: Dayeon Lee, Soorack Ryu, Joo Eon Park, Won-Hyong Kim, Daeho Kim; Psychiatry Investig. 2026;23(7):930-936. Published online July 9, 2026; DOI: https://doi.org/10.30773/pi.2026.0085; PDF

Psychometric Properties of the Korean Version of the Glasgow Sleep Effort Scale in the General Population and Among Individuals Reporting Insomnia: Seockhoon Chung, Jana Sleiman, Mohd. Ashik Shahrier; Psychiatry Investig. 2026;23(4):479-487. Published online April 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0277
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Development and Validation of the Scale for Understanding Life-Oriented Expression and Dispositions: Hyukjae Kwon, Sojung Hong, Sunhae Kim, Tae Hyun Sung, Kounseok Lee; Psychiatry Investig. 2026;23(3):409-417. Published online March 6, 2026; DOI: https://doi.org/10.30773/pi.2025.0379; Full text PubReader ePub PDF

Development of Aquanaut Selection Procedures: Establishing Psychological Evaluation Criteria and Processes for Underwater Space Inhabitants: Hyeon-Ah Lee, Young-Sun Min, Hee-Dong Kim, Jae Hyun Han, Inho Lee, Hyung Jun Moon, Gi Woon Kim, Na Young Lee, Hye Joo Moon, A Ra Cho, Ji Sun Kim, Hwa-Young Lee; Psychiatry Investig. 2026;23(3):289-297. Published online March 6, 2026; DOI: https://doi.org/10.30773/pi.2024.0335; Full text PubReader ePub PDF

Psychometric Properties of the Mixed State Severity Index for Patients With Mood Disorder: Woojae Myung, Hyeona Yu, Hyo Shin Kang, Daseul Lee, Junwoo Jang, Jakyung Lee, Joohyun Yoon, Yun Seong Park, Hyun A Ryoo, Ye Rim Kim, Kwang Ho Park, Chan Woo Lee, Yoonjeong Jang, Kimyoung Kim, Nara Lee, Sanghoon Hong, Hong-Hee Won, Tae Hyon Ha, Jungkyu Park; Psychiatry Investig. 2026;23(1):106-117. Published online January 7, 2026; DOI: https://doi.org/10.30773/pi.2025.0201; Full text PubReader ePub PDF Supplementary Materials

Development of the Instrumental Activities of Daily Living Scale-Ability and Actual Performance: A New Measure for People With Schizophrenia: En-Chi Chiu, Shu-Chun Lee; Psychiatry Investig. 2026;23(1):23-29. Published online January 7, 2026; DOI: https://doi.org/10.30773/pi.2025.0111; Full text PubReader ePub PDF

Validation of the Korean Version of the Center for Epidemiologic Studies Depression Scale-Revised in Korean Adolescents: Ji-Min Kim, Kyeong-Sook Choi, Ji Ae Nam, Hyun Woo Han, Je-Chun Yu; Psychiatry Investig. 2025;22(11):1290-1299. Published online November 12, 2025; DOI: https://doi.org/10.30773/pi.2024.0285; Full text PubReader ePub PDF

Indonesian Validation of the YouTube Addiction Scale Among Young Adults: Kamolthip Ruckwongpatr, Ira Nurmala, Muthmainnah Muthmainnah, Lutfi Agus Salim, Asma Nadia, Yuli Puspita Devi, Guo-Jia Hsieh, Yi-Ching Lin, Iqbal Pramukti, Chao-Ying Chen, Amir H. Pakpour, Mark D. Griffiths, Chung-Ying Lin; Psychiatry Investig. 2025;22(10):1121-1130. Published online September 25, 2025; DOI: https://doi.org/10.30773/pi.2025.0081
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Psychometric Analysis of the Obsessive–Compulsive Spectrum Self-Report and Social Anxiety Spectrum Self-Report in the Korean Population: Jee In Kang, Se Joo Kim; Psychiatry Investig. 2024;21(3):265-274. Published online March 25, 2024; DOI: https://doi.org/10.30773/pi.2023.0338
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Development and Validation of the Mental Health Scale for Maltreated Children: Bin-Na Kim, Hyeseon Jo, Suhyeon Kang, Soo-Yeon Kim, Ha-young Park, Jungkyu Park, Hyo Shin Kang; Psychiatry Investig. 2024;21(3):242-254. Published online March 25, 2024; DOI: https://doi.org/10.30773/pi.2023.0313
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Problematic Use of Internet Among Indonesia University Students: Psychometric Evaluation of Bergen Social Media Addiction Scale and Internet Gaming Disorder Scale-Short Form: Iqbal Pramukti, Ira Nurmala, Siti R. Nadhiroh, Serene En Hui Tung, Wan Ying Gan, Yan-Li Siaw, Yung-Ning Yang, Mark D. Griffiths, Chung-Ying Lin, Amir H. Pakpour; Psychiatry Investig. 2023;20(12):1103-1111. Published online December 18, 2023; DOI: https://doi.org/10.30773/pi.2022.0304
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Psychometric Properties of Assessment Tools for Depression, Anxiety, Distress, and Psychological Problems in Breast Cancer Patients: A Systematic Review: Heeseung Park, Kyoung-Eun Kim, Eunsoo Moon, Taewoo Kang; Psychiatry Investig. 2023;20(5):395-407. Published online May 25, 2023; DOI: https://doi.org/10.30773/pi.2022.0316
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Validation of the Chinese Version of the Schizophrenia Cognition Rating Scale: Kuan-Wei Huang, Pao-Yen Lin, Yu Lee, Yu-Chi Huang, Chi-Fa Hung, Sheng-Yu Lee, Chih-Ken Chen, Liang-Jen Wang; Psychiatry Investig. 2022;19(7):511-518. Published online July 21, 2022; DOI: https://doi.org/10.30773/pi.2021.0322
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Measuring the Quality of Life for Individuals With Prolonged Social Withdrawal (Hikikomori): Shunsuke Nonaka, Motohiro Sakai; Psychiatry Investig. 2022;19(5):341-347. Published online May 3, 2022; DOI: https://doi.org/10.30773/pi.2021.0348
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Validation of the Munich ChronoType Questionnaire in Korean Older Adults*: Hyera Ryu, Eun Yeon Joo, Su Jung Choi, Sooyeon Suh; Psychiatry Investig. 2018;15(8):775-782. Published online July 26, 2018; DOI: https://doi.org/10.30773/pi.2018.04.09
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