Many youth development programs aim to improve youth outcomes by raising the quality of social interactions occurring in groups such as classrooms, athletic teams, therapy groups, after-school programs, or recreation ...
This software includes a series of empirical estimates of plausible parameter values for determining the minimum effect size that can be detected by a given number, size, and treatment/group mix of randomized groups.
The William T. Grant Foundation invests in high-quality research focused on reducing inequality in youth outcomes and improving the use of research evidence in decisions that affect young people in the United States.
