Validación psicométrica de la Environmental Reward Observation Scale (EROS) en supervivientes de cáncer de mama


Palabras clave: Supervivientes, Cáncer, Environmental Reward Observation Scale (EROS), Depresión, Ansiedad


La pérdida de gratificaciones, como resultado de la enfermedad y tratamiento oncológico, se relaciona con problemas emocionales en su-pervivientes. Environmental Reward Observation Scale (EROS) es una escala para evaluar reforzamiento ambiental, desarrollada a partir de mode-los conductuales que muestran la relación entre reforzamiento ambiental y estado emocional. Este estudio valida esta escala con supervivientes de cáncer de mama y analiza su utilidad para discriminar entre supervivientes con y sin trastornos emocionales. Un total de 219 mujeres supervivientes (Medad = 52.97; DTedad = 7.50) completaron medidas de reforzamiento am-biental, activación y evitación conductual, y estado emocional. Los datos se ajustan a una estructura esencialmente unidimensional, mostrando una consistencia interna elevada y de moderadas a altas con todas las medidas empleadas. Fueron estadísticamente significativas las diferencias en las puntuaciones entre participantes con y sin trastorno emocional. Mediante curvas ROC se estableció el punto de corte óptimo para discriminar ansie-dad y depresión. Aplicando la Teoría de Respuesta al Ítem, se encontró que todos los ítems muestran un poder de discriminación de moderado a alto para evaluar reforzamiento ambiental. La EROS se presenta como una medida fiable y válida que puede emplearse para mejorar la evaluación del estado emocional de supervivientes oncológicos.


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Biografía del autor/a

Concepcion Fernández-Rodríguez, Universidad de Oviedo, Spain

Dpto. de Psicología

Sonia González-Fernández, Universidad de Oviedo

Sonia González-Fernández is a licensed clinical psychologist and a pre-doctoral student of the University of Oviedo (Spain). Her research subject is the efficacy of contextual therapy implemented on a group basis for the treatment of depression in cancer patients. She has specialized in Psycho-oncology. She has authored/co-authored several refereed articles in peer-reviewed professional journals.

Ignacio Pedrosa, Universidad de Oviedo

Ignacio Pedrosa, is a research expert on the area of methodology of Behavioral Science. His main areas of research are in relation to robust statistical procedures for repeated measures and for incomplete data, in both experimental and quasi-experimental designs, and analysis of research quality. He has authored/co-authored several refereed articles in peer-reviewed professional journals.


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Cómo citar
Fernández-Rodríguez, C., González-Fernández, S., & Pedrosa, I. (2020). Validación psicométrica de la Environmental Reward Observation Scale (EROS) en supervivientes de cáncer de mama. Anales de Psicología / Annals of Psychology, 36(1), 74–83.
Psicología clínica y de la salud

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