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…

AN EFFORT WAS MADE TO ESTABLISH A BASIS FOR EVALUATING THE PRIVATE AND SOCIAL COSTS AND RETURNS ACCRUING FROM INVESTMENT IN RURAL TECHNICAL SCHOOLS. A SERIES OF STATISTICAL FORMULAS WAS DEVELOPED AND TESTED ON QUESTIONNAIRE DATA SUPPLIED BY 359 GRADUATES AND TRAINEES OF THE WINONA AREA TECHNICAL SCHOOL IN MINNESOTA. THE NINE PROGRAM AREAS OF…