Out-of-school time (OST) science programs, such as the Lang Science Program, play an important role in influencing the trajectory of science learning for many young people. OST programs are especially important for students from groups underrepresented in science, who, more often than not, attend schools with inadequate science education…

Self-esteem has been problematic for researchers because it is complex, stable, and hard to measure. When assessing the self-esteem of out-of-school time (OST) program participants, some researchers may think their instruments will not detect changes, either because the program does not last long enough to make a difference or because self-esteem…

Dramatic changes in the labor market in the United States over the past 50 years have raised tremendous concern that many of the nation's youth are unprepared for the labor force. Policymakers and youth advocates are looking for strategies to improve the education system so that fewer youth drop out of high school and more have the skills and…

As framed by national education policy priorities, the dominant metaphor describing participation and achievement in science, technology, engineering, and mathematics (STEM) is a "pipeline." The STEM workforce requires a "pipeline" of future scientists, engineers, and mathematicians. This pipeline begins in childhood and carries students through…