Posts Tagged: P-values

How Item Statistics Can Help Your Formative Assessment Practice

When I worked as a psychometrician for large testing companies, I would always conduct an item analysis on the test questions to ensure that they were good and reliable. ¬†And when I often met with teacher groups to explain and discuss their statewide accountability test results, the teachers would always ask for the item analysis results. They wanted to know how their students did on each question. They wanted to know how hard or easy each question was and how many students selected each of the response options. ¬†Invariably, I … Read More



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