This manual discusses cost effectiveness in evaluating training modalities in population education for Asian and Pacific nations. Chapter 1 defines training modalities and offers 10 models that are in use in this geographic region. Chapters 2 and 5 discuss evaluation, cost effectiveness versus cost benefit analyses, estimating and analyzing costs, input of personnel, financial considerations, equipment, materials, and organization cooperation; while chapters 3 and 4 discuss design, instrumentation, data analysis, and data interpretation based on cost effectiveness. Chapter 6 contains guidelines for preparing a research proposal, and chapter 7 provides a sample proposal and prototype instruments. Tables, charts, and graphs are included. (DJC)