Juana Gómez‐BenitoStephen G. SireciJosé‐Luis PadillaMaría Dolores Hidalgo MontesinosIsabel Benítez2026-03-222026-03-22201810.7334/psicothema2017.183https://doi.org/10.7334/psicothema2017.183https://andeanlibrary.org/handle/123456789/85650Citaciones: 50The combination of quantitative and qualitative data within a mixed methods research perspective, along with planning DIF studies as validation studies, can help improve the validity of test score interpretations.enDifferential item functioningExternal validityPerspective (graphical)PsychologyItem response theoryInternal validityIncremental validityTest (biology)PsychometricsTest validityDifferential Item Functioning: Beyond validity evidence based on internal structurereview