Biodiversity education is widely considered a necessary component of protecting global biodiversity by helping to change harmful attitudes and actions. BioBlitz events, rapid surveys of all living things in a defined area over a set period, are becoming a widely used practice for biodiversity education. The aim of this study was to evaluate the…

Informal science education institutions have been identified as critical participants in helping students succeed in science by working in collaboration with school systems across the country. The results of one such collaboration, the Urban Advantage (UA) program found that participation in UA improved student achievement, on average, by 0.6…

This article reports on a descriptive study of youth identity as developing through "trajectories of identification" in a science outreach apprenticeship program designed to transition urban African American youth to professional work and career aspirations. A sociocultural framework of identity development is utilized, incorporating the notions…

This article summarizes the continuous latent trait IRT approach to skills diagnosis as particularized by a representative variety of continuous latent trait models using item response functions (IRFs). First, several basic IRT-based continuous latent trait approaches are presented in some detail. Then a brief summary of estimation, model…