Purpose: Achievement emotions have been shown to mediate the association between achievement goals and learning performance, but no research to date has tested whether there is a similar process in predicting germane cognitive load. Based on the control-value theory of academic emotions (Pekrun, 2006), the present study tested a model to determine…

This research aims at comparing item characteristics of instruments for assessing the level of mastery in scientific method for elementary students as they were analyzed using Classical Test Theory (CTT) and Item Response Theory (IRT). The two analyses are usually done separately, for difference object, in this moment it was analyzed…

The quality of mathematics assignments from teachers to students is one important element that determines whether learning is effective or not. To make quality math assignments requires knowledge from the teacher about content and students, who are subdomains of mathematical knowledge to teach. This knowledge needs to be developed in prospective…

The graph understanding for mastering the natural science concepts through the process skills approach aims to improve student ability in lower secondary school. In this study, we conducted a series of quasi-experiments for participants by using pre-test and post-test. The research instruments consisted of two tests and the questionnaires. After…

One effort considered quite effective in assisting vocabulary mastery and facilitating understanding of English texts is the provision of a bilingual glossary (English-Indonesian). This glossary becomes more essential especially for non-English Department students because basically English for Specific Purposes has a higher level of difficulty…

The purpose of this study is to develop scientific literacy evaluation instrument that tested its validity, reliability, and characteristics to measure the skill of student's scientific literacy used four scientific literacy, categories as follow:science as a body of knowledge (category A), science as a way of thinking (category B), science as a…