If the proposition is accepted that service agencies occupy unique environments, then single organism research designs (such as ABAB) and multiple baseline designs may provide more valuable information than currently accepted research methodologies. (Author/MH)

A comparative design for the evaluation of educational programs employing both quantitative and qualitative methods gathers information about program characteristics and consequences. The dual-track design provides separate results that are compared and produce a complete evaluation effort. (Author/CM)

A comparison of changes in traditional pre/post self-assessment ratings with changes in retrospective pre/post self-assessment ratings for 29 medical faculty members indicated that retrospective pre/post ratings may provide a more sensitive and valid measure of the effects of faculty development efforts. (SLD)

A review of existing evaluations of medical, educational, and counseling services for pregnant adolescents and young parents reveals methodological weaknesses. Among the suggestions for improving evaluative studies are recommendations for proper selection of control groups, improved analytic procedures, and formulation of realistic goals. (MH)