Citizen science (CS) projects have become widespread in part because they expand the capacity of professional scientists, enabling research that would otherwise be impracticable or unaffordable. In addition to the research benefits, educators and scientists have seen educational value in CS because it can incorporate students into real-world…

Advocates for middle grades education suggest that principals are critical to the implementation of curriculum, instruction, assessment, and organizational structures that meet young adolescent needs. Yet, there is little evidence associating principal practices outlined by middle grades proponents to outcomes or how principals learn the knowledge…

A new National Science Foundation supported curriculum, Interactions in Physical Science[TM], was evaluated on students' conceptual change in the twelve concept areas of the national physical science content standard (B) for grades 5-8. Eighth grade students (N = 66) were evaluated pre and post on a 31-item multiple-choice test of conceptual…

This study applied self-determination theory to investigate the effects of students' autonomous motivation and their perceptions of teacher autonomy support on need satisfaction adjustment, learning achievement, and cardiorespiratory fitness over a 4-month personal conditioning unit. Participants were 253 urban adolescents (121 girls and 132 boys,…