Hierarchical linear modeling (HLM) has become an increasingly popular multilevel method of analyzing data among nested datasets, in particular, the effect of specialized academic programming within schools. The purpose of this methodological study is to demonstrate the use of HLM to determine the effectiveness of STEM programming in an Ohio middle…

This paper investigates the growth of early adolescent self-esteem and self-concept as students progress through the middle level years (sixth through eighth grade). Based on mixed method longitudinal research conducted from 2004 to 2007, the study's findings suggest that this sample of 104 urban students' self-esteem changed most significantly…

"When compared with high-achieving countries around the world, the U.S. appears to be significantly behind in providing certain kinds of professional learning opportunities" (Wei, Darling-Hammond, Andree, Richardson, & Orphanos, 2009, p. 39). The present study was designed to investigate the relationship between sustained, targeted…