The use of inferential statistics in educational settings allows us to make strategic decisions based on data. We avoid guessing,...

For educational leaders, data-driven decisions are often focused on comparisons, such as comparing methods of instruction, methods of delivery, instructional...

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Why is it so important to review every item on a test? One may speculate that as long as the...

The Impact Group to State Report answers the question, “Was the performance of my students statistically significantly different from the...