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This is a Literature Review study (also classified as: Observational).

The One-Parameter Rasch Model: a Bridge Between Test Theory and Assessment Practice

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The one-parameter rasch model improves measurement invariance and objectivity in evaluations, suggesting more reliable outcomes.

The one-parameter rasch model provides consistent measures that are unbiased by specific respondents or tasks.
Fit statistics, particularly Infit and Outfit, confirm the model's alignment with actual data, ensuring a valid evaluation process.
Theoretical and empirical analysis illustrates the model's importance for fair and scalable performance measurement.
Highlighting advantages over traditional methods, the model promotes more informed decision-making in educational assessments.

Uzunova-Dimitrova Boryana (2025) studied this question.

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