Abstract

PEREZ TAPIA, Julio Hernán; ACUNA AGUILAR, Nelson  and  ARRATIA CUELA, Elvis Ruben. Nivel de dificultad y poder de discriminación del tercer y quinto examen parcial de la cátedra de cito-histología 2007 de la carrera de medicina de la UMSA. Cuad. - Hosp. Clín. [online]. 2008, vol.53, n.2, pp.16-22. ISSN 1562-6776.

ABSTRACT Objective: To determine the level of difficulty and the power of discrimination of the third and fifth partial exam in Cytohistology Research Design: Descriptive, cross sectional Location: Chair of Cytohistology Sample: The students who took the third and fifth partial exams: 388 for the third and 350 for the fifth. Method: The data were collected by means of a form, the difficulty level and power of discrimination were calculated by established formulas Results: The average difficulty of the third partial exam was 0.34, qualified as moderately difficult. The average difficulty of the fifth partial exam was 0.54 which qualifies for half difficult. The average index of discrimination of the third partial exam was 0.57 and of the fifth 0.45. The discrimination quotient was 0.44 for the third and 0.54 for the fifth exam, and both partials were of excellent quality. Conclusions: Considering the difficulty level, the third partial exam was more difficult than the fifth the latter being within expected parameters .Both partials discriminated positively, one question of the third partial should be removed, and two questions of the fifth test should be reviewed in depth.

Keywords : Assessment; difficulty level; power of discrimination.

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