Desarrollo de una Escala Subjetiva de Carga Mental de Trabajo (ESCAM)

the main aim of this study was to analyze the psychometric characteristics of a multidimensional instrument of a subjective mental workload (escam). the sample consisted of 474 individuals of both sex. a mental workload scale of 31 items was elaborated. the factor analysis showed five dimensions of workload: cognitive requirements and information complexity, health consequences for workers, task characteristics, temporal organization of work and work rate. the results show the internal consistency for each workload dimension as well as the reliability of the scale.