Introduction:

Evaluation in education has instructive and educational functions. Apart from accreditation of knowledge acquired by the students, its purposes include obtaining information on the level of individual and group learning among students. To achieve these objectives, it is important to assess the quality and validity of the evaluation instruments used. Psychometrics investigates how to assess constructs and attributes of student learning and makes it possible to analyze the validity of the questionnaires used for evaluation in education, through the application of instruments such as the classical test theory and the item response theory.

Objective:

To determine the validity of multiple-choice questions and the items of a final exam, by calculating the indices of the classical test theory.

Methods:

A cross-sectional and analytical study was carried out with the purpose of assessing the quality and validity of the multiple-choice questions of the ordinary final exam of the Clinical Propaedeutics subject during the 2018-2019 academic year, by assessing the reagents according to the classical test theory.

Results:

The relative frequency of the items response was adequate for a final exam of the subject. 75% of the exam items were correctly made. 87.5% of the reagents presented an adequate discrimination index.

Conclusions:

The reagents assessed had an acceptable quality for a certification test, such as the final exam of a subject; although minor deficiencies were detected.

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