The primary purpose of this study was to examine the effectiveness of three types of instructional media to deliver online lectures for motivation and content-related comprehension in the online course of Health Counseling Psychology. This study examined whether one instructional media (e.g., video-based instruction) was better than another (e.g.,…

This article presents results from a two-semester field test of the Light and Spectroscopy Concept Inventory (LSCI). Statistical analysis indicates that the LSCI has the sensitivity to measure statistically significant changes in students' understanding of light-related topics due to instruction in introductory astronomy courses and to distinguish…