The present study explored 285 11th-grade students' preconceptions, misconceptions, and errors in solving mathematics tasks by graphical method. A descriptive-explorative study design was adopted. Cluster sampling was used to select students from sampled secondary schools in eastern and central Uganda. Students' paper and pen solution sketches…

This study tests a hypothesized learning progression for the concept of energy. It looks at 14 specific ideas under the categories of (i) Energy Forms and Transformations; (ii) Energy Transfer; (iii) Energy Dissipation and Degradation; and (iv) Energy Conservation. It then examines students' growth of understanding within each of these ideas at…

This study describes the process of defining a hypothetical learning progression (LP) for astronomy around the big idea of "Solar System formation." At the most sophisticated level, students can explain how the formation process led to the current Solar System by considering how the planets formed from the collapse of a rotating cloud of…

The purpose of this study was to explore adolescent students' explanations of their knowledge of learning processes. The explanations of 11th-grade high-school and first-year university students were qualitatively analysed to examine the kinds of explanations that were made regarding knowledge of cognitive knowledge ("n"?=?25), knowledge…

Student outcomes of inquiry-based teaching and learning were explored through student-report. Participants were six teachers and their 181 students in grades 9 through 12. Classes were categorized by level of inquiry (least, middle, and most). A student-administered questionnaire assessed the extent to which the three groups experienced 23…

The aim of this study is to investigate Emiratii high school students' understandings of stoichiometry, their use of metacognitive strategies, and the influence of students' use of metacognitive strategies on their understandings of stoichiometry. Two instruments were used in this study, the first to measure students' understandings of…