Epistemic criteria are the standards used to evaluate scientific products (e.g., models, evidence, arguments). In this study, we analyzed epistemic criteria for good models generated by 324 middle-school students. After evaluating a range of scientific models, but before extensive instruction or experience with model-based reasoning practices,…

In response to concerns over the need for a scientifically literate workforce, increasing the STEM pipeline, and aging science standards documents, the scientific and science education communities are embarking on the development of a new conceptual framework for science, led by the National Research Council (NRC), and aligned next generation…

Control group students (receiving descriptive, non-inquiry science) and experimental group students (using Science Curriculum Improvement Study-SCIS "Interaction and Systems" materials) were later combined in grade 4 for instruction with SCIS "Subsystems and Variables" materials. Results show similar difficulties in learning…