One of the central assumptions of the causal-indicator literature is that all causal indicators must be included in the research model and that the exclusion of one or more relevant causal indicators would have severe negative consequences by altering the meaning of the latent variable. In this research we show that the omission of a relevant…

The Evidence-based Literacy Support-"Literacy Octopus" Trial tested a range of dissemination interventions and resources, all of which aimed to engage schools in using evidence-based materials to improve teaching and learning in Key Stage 2 literacy. Four delivery partners provided interventions. These included light-touch,…

This exploratory study of elementary school science examines questions central to policy, practice and research on formative assessment: What is the quality of teachers' content-pedagogical and assessment knowledge? What is the relationship between teacher knowledge and assessment practice? What is the relationship between teacher knowledge,…