GradeSignifier A testing tool for raw data
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GradeSignifier Tags

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GradeSignifier Description

GradeSignifier is a program designed to provide statistical significance testing for item response data.The application enables you to: convert raw test data into scores, determine if the scores of two groups differ significantly, make cumulative probability charts, and more. GradeSignifier provides everything you need to determine if the average scores of two groups of examinees (As vs. A-minuses, passed vs. failed, breakfast vs. no-breakfast, etc.) differ significantly. Are you wondering if you could still reliably distinguish those who passed from those who failed if your test had only half the number of questions? Or how many students must be in the passed or failed groups for the differences to be statistically significant? Or how a lack of "test item independence" might impact your test's precision? GradeSignifier can help you answer such questions.

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