In 1995, the National Science Foundation (NSF) contracted with principal investigator Iris Weiss and an evaluation team at Horizon Research, Inc. (HRI) to conduct a national evaluation of the Local Systemic Change for Teacher Enhancement program (LSC). HRI conducted the core evaluation under a $6.25 million contract with NSF. This program…

The chapters in this volume set a rich context for understanding the challenges that environmental evaluators face in their everyday work. In particular, the authors highlight the need for responsive, contextual, flexible, adaptive, multidisciplinary, and mixed-methods evaluation approaches. In this chapter, I reinforce their call and further…

An overview is presented of forces that have shaped how public and private funders approach evaluation, including the challenges that funders, and particularly foundations, face in effectively using evaluation within an organizational learning framework. Even with internal organizational challenges to learning, foundations are increasingly…

Discusses the role that causal models play in program theory evaluation. Considers several types of causal relationships and discusses three causal models derived from systems theory, the theories of virtuous or vicious cycles, symptomatic solutions, and feedback delays. (SLD)