Describes a study of the impact of different feedback types on secondary school students in which treatment groups received either corrective or noncorrective feedback. Results indicate no significant difference between the groups' posttest scores, but when groups were redefined by gender, girls receiving noncorrective feedback scored lower than…

This field study examined learning effects attributable to instructional design characteristics when eighth-grade science students used a print encyclopedia or a videotex version of the encyclopedia to write term papers. Results suggest that specific effects of instructional design characteristics of a delivery system are of a limited nature. (MBR)

This study compared the effects of chunking sentences on the retention and comprehension of two groups of learning disabled high school students, who received chunked reading via computer assisted instruction (CAI) or traditional methods. Both experimental groups performed better on the posttest than the control group, who received CAI without…