A preliminary validation of the Polish version of the Comprehensive Intellectual Humility Scale (CIHS)

Background: In the last few years, empirical research on intellectual humility has grown notably, involving the elaboration of promising measures that provide a different outlook on the construct. Although all of them offer valid, theoretically sound, and meaningful contributions, we selected the 22-item Comprehensive Intellectual Humility Scale (CIHS) by Krumrei-Mancuso and Rouse for validation. The rationale for choosing this questionnaire for Polish validation stands in its multidimensional nature, which enables the study of various nuances of this psychological concept.
Methods: The research was carried out with the participation of 260 adults (Study 1) and 210 adults (Study 2). The respondents completed a Polish translation of the original version of the CIHS, the Gratitude Questionnaire—Six Item Form (GQ-6), the General Self-Efficacy Scale (GSES), and the Positive Orientation Scale (P-Scale).
Results: The findings obtained in both studies support the four-factor model of the CIHS with the higher order factor. The good fit indices of the CFA and MGCFA show the psychometric solidity of the 22-item structure of the Polish version of the CIHS. With respect to convergent validity, the validation study (Study 2) confirmed that gratitude, self-efficacy, and positive orientation are significant correlates of the CIHS.
Conclusion: Since intellectual humility is still a little-known psychological construct, both as a concept and as a possible antecedent or consequence, it would be worth examining it in the future with other variables of an intraindividual and interindividual nature.