Open educational resources (OERs) provide a potential alternative to costly textbooks and can allow content to be edited and adapted to a variety of classroom environments. At the University of California, Davis, the OER "ChemWiki" project, as part of the greater STEMWiki Hyperlibrary, was developed to supplant traditional post-secondary…

In educational effectiveness research, it frequently has proven difficult to make credible inferences about cause and effect relations. The article first identifies the main categories of threats to valid causal inference from observational data, and discusses designs and analytic approaches which protect against them. With the use of data from 22…

The purpose of this research is to evaluate the impact and effectiveness of on-line homework in principles of accounting classes. We surveyed students to determine their degree of satisfaction with on-line homework and their perceptions about its effectiveness in enhancing their learning. We also gathered data to determine the extent of online…

In this article we argue that to be successful in an academic arena, students must adopt a consistent approach to completing academic work (i.e., a work habit) that includes very carefully interpreting the demands of tasks that are presented to them in schools. To clarify why task interpretation is so critical to student success, and is thus an…

The article summarizes results of three experiments evaluating the effectiveness of a packaged program for improving and maintaining the on-task behavior of mildly handicapped children through the use of variable interval reinforcement schedules. On-task behavior increased and was maintained in all three experiments and academic performance…