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Download full textCuervo, Angel Alberto Valdés; Escobedo, Pedro Antonio Sánchez; Nenninger, Etty Haydeé Estévez; Zuñiga, Silvia Patricia Aquino – International Journal of Higher Education, 2016
In our research we examined the the relationship between the perception of scientific skills acquisition in Mexican graduate students with their awareness of scientific competences considered in the curriculum, mentoring practices and availability of institutional resources for conducting research. The study involved a conventional sample of 147…
Descriptors: Mexicans, Graduate Students, Scientific Concepts, Science Process Skills
Direct linkWoods, Carol M. – Applied Psychological Measurement, 2011
Differential item functioning (DIF) occurs when an item on a test, questionnaire, or interview has different measurement properties for one group of people versus another, irrespective of true group-mean differences on the constructs being measured. This article is focused on item response theory based likelihood ratio testing for DIF (IRT-LR or…
Descriptors: Simulation, Item Response Theory, Testing, Questionnaires
