Essay rating data

An educational testing company hired five appraisers to evaluate the written portion of a standardized essay test. To complete the training, each appraiser must be able to rate essays consistently with standard ratings. Each appraiser rates 52 essays that have a known standard rating.

You can use this data to demonstrate Attribute Agreement Analysis.Because the data include a known standard for each sample, the test engineer can assess the consistency and correctness of ratings compared to the standard as well as compared with other appraisers.

Worksheet column Description
Appraiser The name of the appraiser evaluating the essay: Simpson, Montgomery, Holmes, Duncan, or Hayes
Sample The essay (sample) identifier: 1 to 52
Rating The appraiser's rating for the sample essay: -2, -1, 0, 1, or 2
Standard The known standard rating for the sample essay: -2, -1, 0, 1, or 2
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