The measurement of perfectionistic cognitions has recently caused disagreement among researchers. Flett, Hewitt, Blankstein, and Gray proposed that perfectionistic cognitions are unidimensional. However, after re-examining the factor structure of the instrument used to measure perfectionistic automatic thoughts (Perfectionism Cognitions Inventory…

This study examined the psychometric properties of the Ego Resiliency Scale-Revised (ER89-R). Though support exists for a multidimensional conceptualisation using classical test theory approaches (i.e., a higher-order model comprising Openness to Life Experiences and Optimal Regulation factors), this measure has not been subjected to Rasch…

The Working Memory Rating Scale (WMRS) was designed as a behavioral rating tool to assist teachers in identifying students at risk of working memory difficulties. The instrument was originally normed on 417 monolingual English-speaking children from the United Kingdom. The purpose of this study was to test the reliability and validity of the WMRS…

There is a paucity of information surrounding maths anxiety levels in the British undergraduate student population, and, due to terminological issues, existing measures of maths anxiety may not be appropriate measures to use with this population. The current study, therefore, reports on the development and validation of a new maths anxiety scale.…

A total of 278 children at Time 1 (144 male and 134 female) from School Years 1 and 2 in the United Kingdom serve as participants. The children complete self-rated scales of school adjustment, and their teachers complete the Teacher Rating Scale of School Adjustment (TRSSA) twice across a 1-year period. At Time 1, children's performance on…