I brought together two strands of literature, one investigating the moderate but persistent underachievement of girls in mathematics in most countries, and the other examining the role of self-efficacy and other self-beliefs in predicting behaviour and achievement. I implemented detailed decompositions of the gender mathematics gap, both at the…

This study examined the factorial structure of three related constructs, math self-concept, math self-efficacy, and math anxiety, across 41 countries. One factorial structure was achieved at both between- and within-country levels. Within-country variations of the self-constructs were also noted in relation to math performance: Self-concept showed…