Based on PISA 2018 result, the science achievement of Indonesian students was below average. Some factors influence students' achievement in learning science, such as motivation, emotion regulation, self-efficacy, and school system. This study investigates students' self-efficacy in learning science in different school systems. The present…

This research was carried out to analyze the effect of Group Investigation (GI) model on the student problem solving ability and students academic achievement on the digestive system material for students grade 8th junior high school 2 Belimbing Hulu. In this study we used quasi experimental design according to the quantitative research methods,…

The aim of this research was to assess the classification of science test items of TIMSS grade 8 based on higher order thinking skills (HOTS) and determine whether those classified-science test items can be an assessment tool in science class. Sixteen sample test items of HOTS were chosen from 37 reasoning items of TIMSS 1999, 2003, and 2011;…

The "Comparative Indicators of Education" report series has been published on a biennial basis since it began in 2002, although this year's is the first to expand its focus to the G-20 countries, having previously been focused on the G-8 countries. "Comparative Indicators of Education in the United States and Other G-20 Countries:…

Using 3 waves of the TIMSS data, this study investigates the relationship between 8th-graders' mathematics and science achievement and their self-perceptions on these 2 subjects. For within-country data, there is generally a positive relationship between students' achievement and the following 3 measures of their self-perception: how much they…