Reports on the impact of extra-credit assignments on the academic performance of marginal college-level students. Finds that those who attempted the assignments improved their test performance, were less likely to drop out of the class than a control group, and evaluated the experience positively. (CFR)

A study examined various characteristics of learning environments that promote or retard the development of basic skills proficiency. Data on four school programs--vocational noncooperative, vocational cooperative, general education, and college preparatory--were collected in a repeated measure design via observations, testing, and interviews. A…