During the past two decades, the Geoscience Education Research (GER) community has been increasingly recognized as an evidence-based research subdiscipline in the geoscience and in the larger discipline-based education research (DBER) field. Most recently, the GER community has begun to address the current state of the field and discuss the best…

Follows up an earlier age cohort study done in the 1980s. Discovered that, although differences in achievement related to gender and socioeconomic factors remained consistent and generally increased over time, greater change was found in patterns of ethnic differences. Discusses possible explanations for the findings and implications for…

Examines 1,213 Tennessee elementary teachers' responses to 6 organizational indexes to determine effects of school organization and administrative support on teacher commitment. Finds novices needed organizational support for behavioral management and boundary tasks, midcareer teachers needed autonomy and empowerment, whereas veterans' commitment…