Karasek, R. et al. (1998), “ The job Content Questionnaire (JCQ): An Instrument for Internationnally Comparative Assessments of Psychosocial Job Characteristics”.

Abstract: Part I discusses the Job Content Questionnaire (JCQ), designed to measure scales assessing psychological demands, decision latitude, social support, physical demands, and job insecurity. Part II describes the reliability of the JCQ scales in a cross-national context using 10,288 men and 6,313 women from 6 studies conducted in 4 countries.

https://www.researchgate.net/profile/Irene-Houtman/publication/13481816_The_Job_Content_Questionnaire_JCQ_An_Instrument_for_Internationally_Comparative_Assessments_of_Psychosocial_Job_Characteristics/links/56092c7408ae13969149d1f9/The-Job-Content-Questionnaire-JCQ-An-Instrument-for-Internationally-Comparative-Assessments-of-Psychosocial-Job-Characteristics.pdf

Journal of Occupational Health Psychology 1998, Vol. 3, No. 4, 322-355