The aim of the current study was to examine whether collective moral disengagement in the classroom was associated with bullying perpetration and victimisation. One-thousand-and-fifty-four students from 70 classrooms in 29 schools in the middle and southern parts of Sweden completed a questionnaire in their classroom. In line with the hypotheses,…

This study aimed to shed light on the prevalence of chronic peer victimisation among Dutch elementary school children and factors associated with (non-)disclosure of such experiences by victims. 5,961 students from 73 schools participated (51.5% male; M[subscript age] = 9.96; 77.7% native Dutch). Results showed that 12.3% of all children were…

The present study examined the developmental change in number and length acuities and their respective relationship with achievement in various domains of mathematics in second vs. fourth graders. Length acuity was measured with a comparison task, in which participants were asked to choose the longer between a pair of lines. Number acuity was…

This study examines Hong Kong students' motivational beliefs, strategy use and their relations with two relational factors in classrooms--student learning community and teacher support and involvement. A total of 2206 Grade Four to Grade Nine students responded to a questionnaire that comprised three instruments, including two scales measuring…