The world is facing a shortage of clean drinking water. Current predictions, due to growing population, urbanization, and climate change estimate access to clean water to be further challenged in the coming years. Research has indicated that point of use (POU) technologies are likely to be the most efficient at delivering clean water (water…

Purpose: This paper assesses the effectiveness of volunteer farmer trainers in promoting adoption of agricultural technologies in western Kenya. Specifically, the purpose was to assess the type of information they disseminated, farmer trainers' characteristics desirable to farmer trainees, and how trainees evaluate farmer trainers.…

Decision theoretic testing was used to explore whether junior high students could improve their tendencies to make realistic assessments of what they knew. In nine sessions over a period of three weeks, 49 seventh graders used computer terminals to record probability values in the form of logarithmic equivalents for each alternative in a…

This study replicated the earlier survey efforts of Carroll, Paine, and Ivancevich (1972) and Neider (1981) on the relative effectiveness among practitioners of various training methods for attaining different training objectives. Ten training methods were assessed: (1) computer aided instruction (CAI); (2) programmed instruction; (3) lecture…