Describes a project to determine the impact of weekly quizzing on student performance in general chemistry. Notes final exam scores were the same for students who took weekly quizzes as for students who took the quizzes but not for credit. Explores several possible explanations. (MVL)

Describes two Quebec studies integrating educational diagnosis with classroom assessment to develop learning strategies. Outlines new model based on studies and new mastery learning developments. Argues that the unit of measurement should shift from the student to the teacher-student interaction, and the methodology should be…