Abstract
This study examines whether the Single-Item Math Anxiety scale (SIMA), based on the item suggested by Ashcraft (2002), provides valid and reliable measures of mathematical anxiety. A large sample of university students ( n = 279) was administered the SIMA and the 25-item Abbreviated Math Anxiety Rating Scale (sMARS; Alexander and Martray, 1989) to evaluate the concordance between the measures obtained with the two tests; they were also administered other tests to provide validity evidences of SIMA measurements. The temporal stability of SIMA scores was also evaluated by obtaining the 7-week test–retest reliability. The findings demonstrated that SIMA scores showed validity evidences and excellent 7-week test–retest reliability. We advocate the use of SIMA as a quick and useful means of assessing math anxiety.
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