To equip students with 21st-century skills, teachers must have both deep STEM content knowledge and the confidence to implement and teach appropriate STEM content. Many elementary teachers have inadequate STEM background knowledge, low confidence, and STEM self-efficacy for implementing STEM in the classroom; as a result, teachers' classroom…

Path analysis is used to provide estimates of the magnitude and significance of hypothesized causal connections among sets of variables displayed using path diagrams. It is an extension of multiple regression analysis and holds strength as a methodology as it allows researchers to assess both direct and indirect effects of multiple independent…

This study sought to delineate the implementation of Problem-Based Learning (PBL) and peer- and self- assessment in a teacher training programme. This intervention was accompanied by measuring the participants' perceptions of the PBL environment and the assessment methods used compared with those of other courses they were previously enrolled in.…

This research used mixed effects to construct a PBL-STEM (problem-based learning with STEM) questionnaire with high validity and reliability. The benefits of PBL-STEM focused on cross-disciplinary and longitudinal research to analyze students' self-efficacy in life science. All 175 university students who attended this course as an elective…