“…The psychological job demands scale had an unacceptable level of internal consistency (0.48). The psychological job demands scale, especially the one with five questions, tends to have borderline alpha values, but there are some studies that show completely inadequate values (Amin, Quek, Oxley, Noah, & Nordin, 2015;Araújo, & Karasek, 2008;Hadi, Naing, Daud, & Nordin, 2006;Li et al, 2004;Mausner-Dorsch, & Eaton, 2000;Phakthongsuk, & Apakupakul, 2008). Karasek et al (1998) reviewed six studies from America, Europe and Asia and concluded that, indeed, the psychological job demands scale, with five questions, showed poor internal consistency.…”