The Coronavirus disease 2019 (COVID-19) pandemic has become an epidemic that has major impacts throughout the world, one of which is the change in the Indonesian education system from face-to-face learning to online learning. This study aims to determine the effect of online-based problem based learning on the self-confidence and social…

Background: Poor mathematics performance in South Africa is well known. The COVID-19 pandemic was expected to exacerbate the situation. Aim: To investigate Grade 7 learners' mathematical knowledge at the end of primary school and to compare mathematical performance of Grade 7 and 8 learners in the context of the pandemic. Setting: Data were…

This article introduces the Diagnostic Profiles (DP) standard setting method for setting a performance standard on a test developed from a cognitive diagnostic model (CDM), the outcome of which is a profile of mastered and not-mastered skills or attributes rather than a single test score. In the DP method, the key judgment task for panelists is a…

The ACT is an achievement test--it indicates whats students are ready to learn next by measuring what they currently know and can do. Given the content and philosophy of the ACT, the approach that is most likely to increase ACT scores is high school coursework, because much of the knowledge and skills that are taught in high school are being…