Based on the analysis of available research on students' alternative conceptions about the
particulate nature of matter, we identified basic implicit assumptions that seem to constrain …

This paper presents findings from a content analysis of 650 empirical chemistry education
research papers published in two top-tiered chemistry education journals Chemistry …

When students learn scientific theories that conflict with their earlier, naïve theories, what
happens to the earlier theories? Are they overwritten or merely suppressed? We …

The updated edition of this bestselling book is for the teacher who wants support and
practical advice to recognize and deal with the common misconceptions encountered in the …

Science Learning and Instruction describes advances in understanding the nature of
science learning and their implications for the design of science instruction. The authors …

The overall aim of this article is to analyze the relationships between the roles of assessment
in pedagogy, the interactions between curriculum assessment and pedagogy, and the study …

In this study, we investigated whether the understanding of the particulate nature of matter
by students was improved by allowing them to design and evaluate molecular animations of …

This study explores the impact of asking middle school students to generate drawings of
their ideas about chemical reactions on integrated understanding. Students explored atomic …

A thorough understanding of chemical bonding requires familiarity with the particulate
nature of matter. In this study, a two‐tier multiple‐choice diagnostic instrument consisting of …

This study presents our attempt to elicit students' progression in understanding the matter
concept. Past work has identified the big ideas about matter students need to understand …