The authors evaluated the effects of P-SELL, a science curricular and professional development intervention for fifth-grade students with a focus on English language learners (ELLs). Using a randomized controlled trial design with 33 treatment and 33 control schools across three school districts in one state, we found significant and meaningfully…

Over the past several years, the authors have been developing an instructional technology, called Teachable Agents (TA), which draws on the social metaphor of teaching to help students learn. Students teach a computer character, their "agent," by creating a concept map of nodes connected by qualitative causal links. The authors hypothesize that…

Curriculum-Based Measurement (CBM) of silent reading fluency using the maze task has been shown to be a useful tool for evaluating students' silent reading skills. No prior research has evaluated whether the source of the maze passages has a relationship with the obtained reading scores. Prior research with CBM of oral reading fluency (ORF) has…