Purpose: Demonstration farming has been an important part of agricultural extension since the first decades of the twentieth century. While Seaman Knapp is often credited with developing demonstration farming, his son acknowledged that the concept has much earlier origins in the nineteenth century development of model/pattern farms. However,…

This paper reviews research on the design and effectiveness of preschools in the United States. Three randomized controlled trials that enrolled roughly 350 total children in demonstration studies during the 1960s and 1970s shape much of the current discussion of preschool. We examine what these studies and more recent ones based on random…

The Alabama State Department of Education (ALSDE) aims to increase the number of students with disabilities who achieve positive post-school outcomes and engage in higher education or competitive employment opportunities. Through their State Systemic Improvement Plan (SSIP) and State Personnel Development Grant (SPDG), Alabama is focusing on…

Given the necessity to bridge the gap between what happened and what is likely to happen, this paper aims to explore how to apply Bayesian inference to cost-effectiveness analysis so as to capture the uncertainty of a ratio-type efficiency measure. The first part of the paper summarizes the characteristics of the evaluation data that are commonly…

Play is traditionally considered the foundation of learning in the early years. Because play is characterized by free choice, it can be difficult for adults to ensure all learning is useful for children. The intervention described here took a novel approach to this problematic. It exposed 17 four-year-olds to different adult demonstrations to see…

WorkAdvance is a sectoral workforce development program designed to meet the needs of workers and employers alike. For unemployed and low-wage working adults, the program provides skills training in targeted sectors that have good-quality job openings with room for advancement within established career pathways. For employers in those sectors,…