Development of the CarMen-Q Questionnaire for mental workload assessment
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Universidad Complutense de Madrid
info
ISSN: 0214-9915
Year of publication: 2017
Volume: 29
Issue: 4
Pages: 570-576
Type: Article
More publications in: Psicothema
Abstract
Background: Mental workload has emerged as one of the most important occupational risk factors present in most psychological and physical diseases caused by work. In view of the lack of specifi c tools to assess mental workload, the objective of this research was to assess the construct validity and reliability of a new questionnaire for mental workload assessment (CarMen-Q). Method: The sample was composed of 884 workers from several professional sectors, between 18 and 65 years old, 53.4% men and 46.6% women. To evaluate the validity based on relationships with other measures, the NASA-TLX scale was also administered. Results: Confi rmatory factor analysis showed an internal structure made up of four dimensions: cognitive, temporal and emotional demands and performance requirement. The results show satisfactory evidence of validity based on relationships with NASA-TLX and good reliability. Conclusions: The questionnaire has good psychometric properties and can be an easy, brief, useful tool for mental workload diagnosis and prevention
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