The exploration of threshold concepts, which represent a transformed way of understanding,
interpreting, or viewing something necessary for a learner's progress, has significantly …

Interest in “threshold concepts”─ ideas that, once mastered, transform a student's thinking
about the discipline─ has grown in recent years. Most chemistry educators relate to the idea …

This study aims to analyze students' mental models on the concept of chemical bonds using
a two-tier mental model diagnostic test. A test with the first tier asking the content and the …

Abstract Conservation Science Education Online (CSEO) is a new online resource that
shares strategies for teaching science in art conservation and related cultural heritage fields …

Student conceptions provide valuable information for understanding learning difficulties and
provide insight into how they can be addressed appropriately. Analyzing students' …