Discusses three different settings which illustrate the need for a cost-benefit type of evaluation and then gives examples of objective-based evaluation, goal-free evaluation, and cost-benefit evaluation. (RK)

This study estimated the cost effectiveness of a teacher career ladder reform program. An innovative multiple data source teacher evaluation system was used. Teacher time and dollar costs ranged considerably for different data sources and individual teachers; the annual dollar cost of providing eight data sources was $44.70 per teacher. (JD)