Recent empirical research has demonstrated the importance of mastery motivation in child development. Therefore, it is essential to have valid and reliable instruments to measure this variable. The Dimensions of Mastery Questionnaires (DMQ 18) was validated in English, Hungarian, Chinese and Spanish. In this article, we evaluate the psychometric…

The internal/external (I/E) frame of reference entails high, positive association of mathematics and verbal achievements with matching academic self-concepts but negative or near-zero correlation with their nonmatching self-concepts. This study aimed to extend the traditional I/E model by contrasting the mathematics domain with two foreign…