Resonance is a fundamental chemistry concept first introduced to students in General Chemistry I (GCI), reintroduced in Organic Chemistry I (OCI), and then utilized throughout other higher-level chemistry courses. Student difficulties with resonance are well documented. Instruction is one potential source of student difficulties. What instructors…

Coordination class theory has proven to be a useful theoretical framework for describing processes of conceptual change in certain physical and mathematical concepts. Its development throughout different studies has allowed us to understand numerous mechanisms of conceptual learning by individual subjects. There have been attempts to implement…

Testing as an assessment technique has been widely used at all levels of education--from primary to higher school. The main purpose of the paper is to evaluate the effect of context-based testing in teaching and learning of analytical chemistry in a Russian university. The paper formulates the objectives of context-based testing, discusses its…

The project's purpose was to revise the introductory biology material in a freshman course for biology majors so that it is based on Piagetian learning theory and incorporates the three phases of the learning cycle teaching strategy: (1) exploration; (2) concept formation; and (3) concept application. The approach presented concepts structured so…