The global popularity of test-based accountability appears to signal political trust in standardised assessments as valid and relevant measures of education quality. Nonetheless, research shows that educators' perceptions of standardised testing and test-based accountability can vary significantly, as do their responses to accountability demands.…

We study a decade of achievement gaps for fifth-, eighth-, and 10th-grade students in Norway using administrative population data. Norway is a wealthy and egalitarian country with a homogeneous educational system, yet achievement gaps between students at the 90th and 10th percentiles of parental income and between students whose parents have at…

This study investigated the psychometric properties of the Early Numeracy Screener. The Early Numeracy Screener is a teacher-administered, paper-and-pencil test measuring counting skills, numerical relational skills, and basic arithmetic skills. Three hundred and sixty-six first graders took the Early Numeracy Screener at the beginning of the…

It is well-documented that academic achievement is associated with students' self-perceptions of their academic abilities, that is, their academic self-concepts. However, low-achieving students may apply self-protective strategies to maintain a favorable academic self-concept when evaluating their academic abilities. Consequently, the relation…

To address social and behavioral problems in schools, more than 26,000 schools around the world have implemented School-Wide Positive Behavior Support (SWPBS). Previous studies have focused on the effects of SWPBS on short-term teacher-rated behavior such as office discipline referrals or academic outcomes, but no study has yet investigated…