Towards a new operationalization of ambiguity intolerance: Short ambiguity intolerance scale (SAIS-7)

To our knowledge, there are no extensive validation studies of existing ambiguity intolerance (AI) scales in the home countries of most of the participants in this study. Thus, we aimed to construct a scale for measuring overall AI that would be brief but also encompassing a wide range of behaviors that could be described as AI. Given that empirical research does not, overall, lend solid support to the AI construct multidimensionality, the scale was conceived as unidimensional. The study was conducted on 4 samples (5437 participants in total). Three samples were from the Serbian population and the fourth consisted of 4 separate subsamples that made up an international validation study of the SAIS-7 in four different languages (Serbian, Bulgarian, English, and Greek). The results of reliability, dimensionality, measurement invariance, convergent, external and incremental validity assessment suggest adequacy of the SAIS-7. The SAIS-7 is a solid brief measure of overall AI, and extensive analysis of different aspects of its functioning leads to a conclusion that this scale represents an economical measure with good content coverage that is recommendable for use.