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Revista mexicana de investigación educativa
versión impresa ISSN 1405-6666
Resumen
GARCIA-MEDINA, Adán Moisés; MARTINEZ RIZO, Felipe y CORDERO ARROYO, Graciela. Analysis of Differential Functioning of the "Excale" Items of Ninth-Grade Mathematics. RMIE [online]. 2016, vol.21, n.71, pp.1191-1220. ISSN 1405-6666.
This article presents the results of a study of the items from the mathematics scale of the "Examen de la Calidad y el Logro Educativos" ("Examination of Educational Attainment and Quality") that was given in 2012 to a national sample of 27,009 students in the third year of secondary school in Mexico. The method of detection involved Differential Item Functioning (DIF), starting with the original procedure of Mantel-Haenszel with a substantial modification based on the Rasch model. The presence of DIF was examined along two lines of analysis: gender and socioeconomic level. Out of the 100 items on the mathematics scale, none was identified with DIF because of gender; in contrast, 18 were diagnosed with a severe DIF due to socioeconomic level.
Palabras llave : validity; instruments of evaluation; evaluation of learning; statistical analysis; Mexico.