Provides overview of significant facets of Error Factors (EFs)--promoters of underlying confusion in learning--discussing main types of EFs, sources of EFs in learning contexts, factors influencing frequency of EFs, use of tests and exercises, and effects of EFs and their mistreatment. Forty-seven sources are listed. (EJS)

Summarizes information processing models of the mind based on a literature review; describes a prototypical model of college learning; examines links between mental models and cognitive errors; reviews cognitive science students; and identifies six factors contributing to cognitive error production. (104 references) (Author/MBR)