P. (2022). Measurement invariance of the Patient Health Questionnaire (PHQ-9) and Generalized Anxiety Disorder scale (GAD-7) across four European countries during the COVID-19 pandemic. BMC Psychiatry, 22(1), 154. https://doi.org/10.1186/s12888-022-03787-5 Strizzi, J., Fernández-Agis,...
(Bozionelos and Simmering 2022;Podsakoff et al. 2012). Harman’s single factor test was also performed, and the results suggest that common method bias is not a serious threat to the validity of the present findings. Even so, future studies could avoid cross-sectional designs and collect ...
When choosing and creating a measuring scale, several aspects that affect the scale’s reliability, validity, and utility must be taken into account. The study by Cooper and Schindlers [74] provided the foundation for these factors. The questionnaire looked at how students and researchers in ...