Learning progressions, or representations of how student ideas develop in a domain, hold promise as tools to support teachers' formative assessment practices. The ideas represented in a learning progression might help teachers to identify and make inferences about evidence collected of student thinking, necessary precursors to modifying…

Changes in children's understanding of experimentation are examined. Sixteen fifth and sixth graders worked on two experimentation problems consistent with an engineering and science model, respectively. The science model was associated with broader exploration, more selectiveness about evidence interpreted, and greater attention to establishing…

Early adolescents may lack the cognitive and metacognitive skills necessary for effective inquiry learning. In particular, they are likely to have a nonnormative mental model of multivariable causality in which effects of individual variables are neither additive nor consistent. Described here is a software-based intervention designed to…