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Antecedentes: La Escala de Intensificación de las Demandas Laborales (IDS) es un instrumento multidimensional diseñado para captar el fenómeno de la intensificación laboral que caracteriza a las sociedades occidentales modernas. Sin embargo, en España, el instrumento no ha sido validado para evaluar este fenómeno. Por ello, el objetivo de este estudio fue examinar las propiedades psicométricas de la IDS para su adaptación a una muestra heterogénea de trabajadores españoles. Método: La muestra estuvo formada por 722 trabajadores españoles (57,8% mujeres) que completaron una batería de cuestionarios entre enero-abril de 2022. Resultados: Un modelo correlacionado de cinco factores, como en la IDS original, tuvo un ajuste óptimo con 15 ítems, y mostró invarianza en género, nivel de estudios y antigüedad dentro de la organización. Los coeficientes de fiabilidad fueron satisfactorios, y la adaptación de la escala mostró evidencias de validez convergente, discriminante e incremental. Conclusiones: La adaptación española de la IDS es una medida válida y fiable para analizar el fenómeno de la intensificación laboral en España.
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