This article examines changes in the research design, sample size, and precision between the planning phase and implementation phase of group randomized trials (GRTs) funded by the Institute of Education Sciences. Thirty-eight GRTs funded between 2002 and 2006 were examined. Three studies revealed changes in the experimental design. Ten studies…

This 4-week prospective study examined whether the use of life-management strategies mediates the relationship between implementation planning and short-term progress on physical activity goals. In particular, the strategies of elective selection, compensation, and loss-based selection were disentangled to assess their specific mediating effects.…

The relations between policy and practice embody a dilemma. Policies aim to solve problems, yet the key problem solvers are those who have the problem. Governments devise instruments to encourage implementation, but they help only if used well by those with the problem, whose capability is often weak. The realization of policy in practice thus…

Students from seven institutions of higher education reported their preferences for different paradigms of service at the beginning of their service-learning courses. At the end of the courses, they described the associated service activities in terms of the same paradigms and also completed scales describing their learning outcomes and attitudes…