Parameter estimation in generalised logistic model with application to DIF detection

02/24/2023
by   Adéla Hladká, et al.
0

This paper proposes innovations to parameter estimation in a generalised logistic regression model in the context of detecting differential item functioning in multi-item measurements. The two newly proposed iterative algorithms are compared with existing methods in a simulation study, and their use is demonstrated in a real data example. Additionally the study examines software implementation including specification of initial values for iterative algorithms, and asymptotic properties with estimation of standard errors. Overall, the proposed methods gave comparable results to existing ones and were superior in some scenarios.

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