Disengaged item responses pose a threat to the validity of the results provided by large-scale assessments. Several procedures for identifying disengaged responses on the basis of observed response times have been suggested, and item response theory (IRT) models for response engagement have been proposed. We outline that response time-based…

Of the six PLC dimensions theorized by Hord, the 307 respondents in this study suggested that two such dimension--namely, "Shared Personal Practice" and "Supportive Conditions: Structures"--tended systematically to be underrepresented at their schools: irrespective of their schools' categorization as either high- or…

The current teacher workforce is younger, less experienced, more likely to turnover, and more diverse in preparation experiences than the workforce of two decades ago. Research shows that inexperienced teachers are less effective, but we know little about the effectiveness of teachers with different types of preparation. In this study, we classify…

Informed by research on interpersonal perception, peer relationships, and classroom climate, this study examines predictors of children's agreement with classmates on their classroom social networks. Social network data, peer nominations of positive behavior, and classroom observations were collected from 418 second-grade to fourth-grade children…