The purpose of the study was to assess elementary students' science process skills, content knowledge, and concept knowledge after one year of participation in an elementary Science, Technology, Engineering, and Mathematics (STEM) program. This study documented the effects of the combination of intensive professional development and the use of…

Proposes methods by which laboratory practical exams may be structured to assess outcomes from laboratory instruction. Presents eight general considerations for writing and using practical exams. Describes four example laboratory exams involving a box camera, circuit boxes, floating objects, and light. (MDH)

One hundred ten secondary school chemistry students were given two tests after programed instruction. Researcher concludes from comparison of results that there was a significant difference between the two tests. The experimental test, based on Bloom's Taxonomy, discriminated between higher and lower cognitive levels and categories. (JM)

Develops the two-level small-group model based on cooperative learning seminars for inservice science teachers. Describes procedures to construct materials for the two-level group and suggests a teaching sequence. Summarizes research results about the two-level model and suggests implications of the model. (YP)

This exploratory case study investigates relationships between use of an inquiry-based instructional style and student scores on standardized multiple-choice tests. The study takes the form of a case study of physical science classes taught by one of the authors over a span of four school years. The first 2 years were taught using traditional…