Psychometric evaluation of the Japanese version of Ten-Item Personality Inventory (TIPI-J) among middle-aged, and elderly adults: Concurrent validity, internal consistency and test–retest reliability

Objective: This study aimed to provide a psychometric evaluation of the Japanese version of the Ten-Item Personality Inventory (TIPI-J), and was conducted to confirm the concurrent validity, internal consistency, and test–retest reliability of the measure. Methods: A total of 520 middle-aged (40–64 years old) and 312 older adults (65–79 years old) participated in this study. Participants were registered research volunteers with an internet research company. The TIPI-J assesses the Big Five personality traits (Neuroticism, Extraversion, Openness, Agreeableness, and Conscientiousness). The NEO-Five-Factor Inventory (NEO-FFI) was used to test concurrent validity. Results: Correlations of corresponding trait measures for the TIPI-J and NEO-FFI ranged from 0.45 (Openness) to 0.70 (Extraversion) for middle-aged, and from 0.33 (Openness) to 0.67 (Neuroticism) for older adults. The correlation values of Openness between the two scales were similar to those for the correlation between TIPI-J Openness and NEO-FFI Extraversion for both middle-aged and older adults, and that for the correlation between TIPI-J Openness and NEO-FFI Conscientiousness for older adults. The relationships between TIPI-J personality scores measured at a two-week interval ranged from 0.74 (Agreeableness) to 0.84 (Extraversion) for middle-aged and from 0.67 (Openness) to 0.78 (Neuroticism and Extraversion) for older adults. Conclusion: The TIPI-J has relatively acceptable concurrent validity, with the exception of Openness, which was considerably weaker than the other traits. The scale has relatively acceptable test–retest reliability. Thus, TIPI-J would be a useful instrument, roughly speaking, for assessing the Big Five personality traits among middle-aged and older adults.

Abstract licence: CC BY

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