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      Validación de la calidad de las preguntas en un examen final de la asignatura Morfofisiología Humana Translated title: Validation of the quality of questions in a final examination of the subject Human Morphophysiology

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          Abstract

          Introducción: el índice de dificultad y el poder de discriminación son indicadores fáciles de calcular y útiles para el análisis de la correspondencia entre los resultados esperados y los obtenidos de un instrumento evaluativo. Objetivo: evaluar la calidad de las preguntas del examen final ordinario de Morfofisiología Humana V. Métodos: fueron incluidos en esta investigación los 265 exámenes teóricos realizados por los estudiantes del segundo año en la Facultad de Medicina No. 2 de la Universidad de Ciencias Médicas de Santiago de Cuba, durante el curso 2011-2012, a los que se les calculó el índice de dificultad y el poder de discriminación en cada una de las 7 preguntas aplicadas. Resultados: las preguntas de respuesta alternativa, que evaluaban los contenidos sobre la sangre y el corazón, mostraron un índice de dificultad por debajo de 0,1 y un poder de discriminación inferior a 0,2, lo que hace necesaria su reformulación en próximos instrumentos evaluativos. Los valores más altos para ambos indicadores fueron 0,34 y 0,86, respectivamente, y correspondieron a una pregunta de selección múltiple sobre vasos sanguíneos y linfáticos, siguiéndoles en orden las preguntas de respuesta abierta. Conclusiones: se demostró la pertinencia de la mayoría de las preguntas, destacándose la capacidad de 5 de ellas para distinguir estudiantes de alto y bajo rendimientos.

          Translated abstract

          Introduction: the difficulty index and the discrimination power are easy indicators to calculate and useful for the analysis of the correspondence between the expected and obtained results of an evaluative instrument. Objective: to evaluate the quality of questions of the regular final examination of Human Mophophysiology V. Methods: the 265 theoretical examinations carried out by the second year students in the Medical Faculty No. 2 of the Medical University in Santiago de Cuba, during the course 2011-2012 were included in this investigation, to which the difficulty index and the discriminating power were calculated in each of the 7 applied questions. Results: the questions with alternative answer which evaluated the contents on blood and heart, showed a difficulty index below 0.1 and a discriminating power lower than 0.2, making necessary their reformulation in future evaluative instruments. The highest values for both indicators were 0.34 and 0.86, respectively, and they corresponded to a question of multiple selections on blood and lymphatic vessels, followed in order by the questions of open answer. Conclusions: the relevancy of most of the questions was demonstrated, and the capacity of 5 of them to distinguish students of high and low performances was emphasized.

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          Assessment in medical education.

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            Assessment of higher order cognitive skills in undergraduate education: modified essay or multiple choice questions? Research paper

            Background Reliable and valid written tests of higher cognitive function are difficult to produce, particularly for the assessment of clinical problem solving. Modified Essay Questions (MEQs) are often used to assess these higher order abilities in preference to other forms of assessment, including multiple-choice questions (MCQs). MEQs often form a vital component of end-of-course assessments in higher education. It is not clear how effectively these questions assess higher order cognitive skills. This study was designed to assess the effectiveness of the MEQ to measure higher-order cognitive skills in an undergraduate institution. Methods An analysis of multiple-choice questions and modified essay questions (MEQs) used for summative assessment in a clinical undergraduate curriculum was undertaken. A total of 50 MCQs and 139 stages of MEQs were examined, which came from three exams run over two years. The effectiveness of the questions was determined by two assessors and was defined by the questions ability to measure higher cognitive skills, as determined by a modification of Bloom's taxonomy, and its quality as determined by the presence of item writing flaws. Results Over 50% of all of the MEQs tested factual recall. This was similar to the percentage of MCQs testing factual recall. The modified essay question failed in its role of consistently assessing higher cognitive skills whereas the MCQ frequently tested more than mere recall of knowledge. Conclusion Construction of MEQs, which will assess higher order cognitive skills cannot be assumed to be a simple task. Well-constructed MCQs should be considered a satisfactory replacement for MEQs if the MEQs cannot be designed to adequately test higher order skills. Such MCQs are capable of withstanding the intellectual and statistical scrutiny imposed by a high stakes exit examination.
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              Nivel de dificultad y poder de discriminación del examen diagnóstico de la asignatura Morfofisiología Humana I

              El objetivo de este trabajo es identificar el nivel de dificultad y poder de discriminación del examen diagnóstico de la asignatura Morfofisiología Humana I, del Nuevo Programa de Formación de Médicos en la Facultad-Policlínico "Félix Edén Aguada", de Cienfuegos, Cuba. Para ello se calcularon los índices de dificultad y de discriminación, así como el coeficiente de discriminación a la totalidad de los 421 exámenes diagnósticos aplicados de la asignatura de Morfofisiología Humana I. Se entrevistaron profesores como informantes clave y estudiantes destacados. Todas las preguntas dieron la posibilidad de discriminar y predecir. De ellas, dos presentaron un índice de dificultad media, otras dos fueron medianamente fáciles y solo una fue altamente fácil. Se identificó el nivel dificultad y el poder de discriminación de cada pregunta del examen diagnóstico de Morfofisiología Humana I, lo que permitió plantear que el instrumento aplicado, fundamentalmente osciló entre dificultad media y medianamente fácil, con adecuado poder de discriminación. Los profesores y estudiantes reconocen la necesidad de estos exámenes para corregir dificultades en la evaluación, mejorar el trabajo metodológico y reajustar la autopreparación. Se hacen conclusiones.
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                Author and article information

                Journal
                san
                MEDISAN
                MEDISAN
                Centro Provincial de Información de Ciencias Médicas (Santiago de Cuba, , Cuba )
                1029-3019
                March 2013
                : 17
                : 3
                : 484-490
                Affiliations
                [01] Santiago de Cuba orgnameUniversidad de Ciencias Médicas Cuba
                [02] Santiago de Cuba orgnameUniversidad de Oriente Cuba
                Article
                S1029-30192013000300009 S1029-3019(13)01700309
                0d37ddc4-eab1-4265-875e-0837bfd77da5

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 30 November 2012
                : 05 July 2012
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 12, Pages: 7
                Product

                SciELO Cuba

                Categories
                ARTÍCULOS ORIGINALES

                Morphophysiology V,evaluation of learning,difficulty index,discrimination power,validation of quality,university of medical sciences,Morfofisiología Humana V,evaluación del aprendizaje,índice de dificultad,poder de discriminación,validación de calidad,universidad de ciencias médicas

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