Help for Instructors > Tests, Surveys, and Pools > Running Item Analysis on a Test

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Running Item Analysis on a Test

Item analysis provides statistics on overall test performance and individual test questions. This data helps you recognize questions that might be poor discriminators of student performance. You can use this information to improve questions for future test administrations or to adjust credit on current attempts.

Roles with grading privileges (such as instructors, graders, and teaching assistants) access item analysis in three locations within the assessment workflow. It is available in the Click to toggle glossary term definition: <begin definition> contextual menu <end definition>. for a:

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You can run item analyses on deployed tests with submitted attempts, but not on surveys. Access previously run item analyses under the Available Analysis heading or select a deployed test from the drop-down list and click Run to generate a new report. The new report's link appears under the Available Analysis heading or in the status receipt at the top of the page.

For best results, run item analyses on single-attempt tests after all attempts have been submitted and all manually graded questions are scored. Interpret the item analysis data carefully and with the awareness that the statistics are influenced by the number of test attempts, the type of students taking the test, and chance errors.

Note:  Item analysis is available for tests created in Blackboard Mobile Learn.

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