The integration of learning games into schools holds significant promise, yet faces numerous obstacles. Ubiquitous games (casual games for smart phones) attempt to motivate students to engage repeatedly with content beyond school, while enabling teachers to facilitate deeper reflection on game-related curricula during class. During a two-year…

Background: Cluster-randomized experiments that assign intact groups such as schools or school districts to treatment conditions are increasingly common in educational research. Such experiments are inherently multilevel designs whose sensitivity (statistical power and precision of estimates) depends on the variance decomposition across levels.…

The authors evaluated emotional distress among 9th-12th grade students, and examined whether the association between being lesbian, gay, bisexual, and/or transgendered (i.e., "LGBT") and emotional distress was mediated by perceptions of having been treated badly or discriminated against because others thought they were gay or lesbian.…

This study examined the relationship between high-stakes testing pressure and student achievement across 25 states. Standardized portfolios were created for each study state. Each portfolio contained a range of documents that told the "story" of accountability implementation and impact in that state. Using the "law of comparative…