Within Appraisers
When each appraiser evaluates the same fingerprint two or more times, you can assess the consistency of response for each appraiser. Of the four appraisers, David, Nina, and Wendy made the same decision on both trials for all 50 fingerprints for 100% agreement within appraiser and a kappa value of 1.00. Alex agreed with himself on 48 out of the 50 fingerprints for a 96% match a kappa 0f 0.91948 (inconsistent on sample numbers 4 and 17).
Note: The Within Appraisers table does not compare appraisers’ assessments to the standard column. Although each appraiser may be consistent, they may still be incorrect.