The Diagnostic Statistics Assessment (DSA) is a research project funded by the National Science Foundation (NSF) that has developed a research-based formative assessment system to support middle school teachers in identifying and addressing student misconceptions in statistics.

It is imperative to develop students’ statistical understandings at a young age to prepare and inspire them for future education, career, and life opportunities. Students from elementary school to college have difficulties with a variety of statistical conceptions. Students also often have negative opinions about statistics. The DSA project aims to address this reality by developing resources to assess and develop students’ understandings, knowledge, and affect related to statistics.

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