During test construction, the item “I enjoy watching documen…
During test construction, the item “I enjoy watching documentary films” is kept on a clinical depression scale simply because depressed patients answered “True” much more often than non-depressed controls, even though the item has no logical connection to depression. What strategy was used?
Read DetailsA psychometrician evaluates a 30-item test administered to a…
A psychometrician evaluates a 30-item test administered to a small sample of examinees. When setting up the Mantel-Haenszel procedure to detect differential item functioning, why might the analyst choose thick-score matching over thin-score matching?
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