Regular articles
Psychometric evaluation of the Basic Traits Inventory in the multilingual South African environment
DOI:
10.1080/14330237.2014.997033
Author(s):
Sonja GroblerIndustrial and Organisational Psychology Department, College of Economic and Management Sciences, South Africa, Marié de BeerIndustrial and Organisational Psychology Department, College of Economic and Management Sciences, South Africa,
Abstract
The objective of this study was to evaluate the psychometric properties of the BTI for all the official language groups in South Africa. Item bias analysis was performed by means of Rasch analysis for a sample of 105 342 respondents with representation of each of the 11 language groups. Reliability values were good for all the language groups and bias was revealed in only 12 of the 193 items (6.2%) through item response modelling. Based on these results, the BTI may be an appropriate measure of personality for all the different language groups in South Africa.
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