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…

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…