This paper is a review of some of the issues, dilemmas, and constraints in the evaluation of juvenile corrections. Included are such problems as: (1) adequate assessment criteria; (2) insufficient controls in experimental designs; (3) the conflict between humaneness and effectiveness; and (4) the measurement of program goals. A critique of six studies in juvenile correctns provides examples whose strengths and weaknesses can serve as quicklines for further refinement and elaboration of evaluation methodologies. The process components of these studies, rather than their outcomes, are emphasized. The thoroughness with which the researchers evaluated programs is summarized in a series of charts, one for each of five dimensions; (1) subject population; (2) setting; (3) treatment technology; (4) process variables; and (5) outcome measures. The authors conclude with a delineation of a plan for comparative assessment involving the classification of the functional categories of juvenile corrections into four major groups: (1) detention programs; (2) processing; (3) change and control; and (4) re-integration programs. (RWP)