Wednesday, July 13, 2016

Guttman with Scores by Item Difficulty

The lowest scoring student is on the bottom line. The most difficult item is on the right side. The lower right corner is as bad as things can get. The upper left corner is as good things can get.

Again, knowledge and judgment scoring (KJS) has more information to work with (accurate, honest, and fair) than right mark scoring (RMS). The quality score (%RT) is in the 80%s all the way down to a student test score of  about 60%. 

Most of these students actually know what they know and what they have yet to learn. They have a solid basis for learning more. KJS promotes student quality.

Nursing Right Mark Score (RMS)
Biology Knowledge and Judgment Scoring (KJS)

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