Before revision: The purpose of a person-fit analysis is to detect item-score vectors that are unlikely given a hypothesized test theory model such as item response theory, or unlikely compared with the majority of item-score vectors in the sample.
After revision: America's Best Personal Fited ManThe purpose of a person-fit analysis is to detect item-score vectors that are unlikely given a hypothesized test theory model such as item response theory, or unlikely compared with the majority of item-score vectors in the sample.