Describes study that compared the quantitative and qualitative nature of problems in instructional materials identified by undergraduate students via three methods of formative evaluation. An explanation of the process of Learner Verification and Revision (LVR) stresses assessment and improvement of the instructional effectiveness of materials in…

Effectiveness of two versions of computer software used as an electronic blackboard to present geometric concepts to ninth grade students was compared. The experimental version incorporated color, animation, and nonverbal sounds as stimuli; the no-stimulus version was monochrome. Both immediate and delayed learning were significantly better for…