The purpose of this study was to develop the Student Knowledge Linking Instrument (SKLI), an inventory for middle grades students that seeks to understand student knowledge construction processes. This study included 461 fifth and sixth grade students and follows from a series of qualitative studies that were used as a foundation for development…

The main objective of this study is to research the effects of a student gains and activity based virtual material on students' success, permanence and attitudes towards science lesson, developed for science and technology lesson 6th grade "Systems in our body" unit. The study, which had a quasi-experimental design, was conducted with…

Some intensive quantities, such as slope, velocity, or likelihood, are perceptually privileged in the sense that they are experienced as holistic, irreducible sensations. However, the formal expression of these quantities uses "a/b" analytic metrics; for example, the slope of a line is the quotient of its rise and run. Thus, whereas students'…

This study investigated how constructive activities are involved when Chinese students are performing reading tasks that require deeper levels of understanding. Forty students from Grade 5 (19 boys and 21 girls), and 42 students from Grade 6 (20 boys and 22 girls) participated in this study. To reveal the children's constructive processes in…

This article reports on students' learning through conjecturing, by drawing on a semester-long teaching experiment with 6 sixth-grade students. It focuses on 1 of the students, Josh, who developed especially powerful ways of operating over the course of the teaching experiment. Through a fine-grained analysis of Josh's actions, this article…