Background: In health education, there is a risk of giving overly prescriptive recommendations, potentially activating conflicting in-group norms that reduce message receptiveness. For example, the notion of 'unhealthy youth' is a stereotype which suggests that young people are expected to make unhealthy choices. If such in-group norms are…

The aim of this study was to investigate factors that can predict collective efficacy in student work groups year 5 and 8 at compulsory school and to see if there are gender and year differences for efficacy beliefs and aspects of interdependence. A total of 283 completed questionnaires were analysed. Hierarchical multiple regression was used to…

This study investigated whether an intervention, in the form of short educational sessions, influenced pupils' experiences of group work or cooperative learning (CL). The hypothesis tested was that an intervention for teachers and pupils would lead to pupils' increased (a) collective efficacy, (b) self-efficacy and, (c) positive interdependence,…

This study explores how aspects of teacher quality are related to student achievement and students' perceptions of instructional quality on the basis of eighth grade TIMSS 2011 data for Sweden. Indicators of teacher quality are coursework in mathematics as measured by the number of semesters of studying mathematics, years of teaching experience…

Research shows that teachers' grading is influenced by non-achievement factors in addition to official criteria, such as knowledge and skills. Some grading criteria are internalised by the teacher, who is sometimes unable to verbalise the criteria used and refers to what is called a "gut feeling". Therefore, transparency, validity and…