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Group variability, scoring reliability, test length and item difficulty all affect test score rel

Group variability, scoring reliability, test length and item difficulty all affect test score reliability; discuss how each of these variables impact test design and how you might mitigate those impacts.

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Post-First: This course utilizes the Post-First feature in all Discussions. This means you will only be able to read and interact with your classmates’ threads after you have submitted your thread in response to the provided prompt.

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