New Directions for EvaluationEach issue of New Directions for Evaluation is devoted to a single topic, with contributions solicited, organized, reviewed, and edited by guest editors. Topics can be about broad aspects of evaluation or can focus on programs, policies, personnel, and other forms of evaluands in professional or disciplinary domains such as energy, environment, mental health, education, criminal justice, social welfare, human resources, technology assessment, and myriad others.