The methodology to perform benefit-cost studies exists, but there is much ambiguity concerning the implications of such studies as a result of using faulty methodology. For example, control groups are a necessity, as are adequate sampling procedures and adjustment for non-response bias and self-selection bias, and all studies do not employ this…

As a part of a larger project under grant from the Ford Foundation to evaluate federal manpower policies and programs, this evaluation of the training efforts under Title II of the Manpower Development and Training Act (MDTA) made use of data provided by the Departments of Labor and Health, Education, and Welfare. By the end of fiscal 1967, 1.2…