J Korean Neuropsychiatr Assoc.  2020 May;59(2):142-147. 10.4306/jknpa.2020.59.2.142.

Restandardization of the Korean Personality Assessment Inventory: Comparisons with the Original Korean Version

Affiliations
  • 1Department of Psychiatry, Samsung Medical Center, Seoul, Korea
  • 2Department of Depression Center, Samsung Medical Center, Seoul, Korea
  • 3Department of Psychiatry, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
  • 4Department of Education, Chinju National University of Education, Jinju, Korea
  • 5Department of Psychology, Chungbuk National University, Cheongju, Korea
  • 6Department of Counseling Psychology, Chosun University, Gwangju, Korea
  • 7Department of Psychology, Daegu Catholic University, Gyeongsan, Korea
  • 8Department of Rehabilitation Psychology, Daegu University, Gyeongsan, Korea
  • 9Department of Forensic Psychology, Kyonggi University, Suwon, Korea

Abstract


Objectives
This study examined the results of the restandardization of the Korean Personality Assessment Inventory (PAI). The Korean PAI was first standardized in 2001 and then restandardized in 2019 to establish new normative data. On the other hand, differences may exist in the results of the restandardized version considering the time interval, which may include cultural and social differences. Thus, differences between the results of the Korean PAI administered in 2001 and 2019 must be examined to confirm its new normative data followed by restandardization.
Methods
Data from 2212 adults who administered the original Korean PAI in 2001 and 1263 adults who administered the Korean PAI in 2019 were collected. The study compared the reliability and mean scores. In addition, the mean scores of the Korean PAI administered in 2019 were converted to T-scores adapted to the normative data of 2001. The collected data was analyzed using a t-test and comparing the T-scores.
Results
The internal consistency reliability showed a similar pattern in both versions, but the differences among the mean scores and T-scores appeared to be significant.
Conclusion
The significant differences between the scores of the Korean PAI administered in 2001 and 2019 reflect the result of the restandardization. Therefore, the restandardized version of the Korean PAI may bring more precise information that can be adapted to the contemporary era.

Keyword

Personality Assessment Inventory; PAI; Restandardization; Normative sample; Demographics
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