Participants completed a questionnaire, which included The Patient Health Questionnaire (PHQ-9), General Anxiety Disorder questionnaire (GAD-7), Oslo Social Support Scale (OSSS-3), and items measuring ...
We estimate coefficient alpha with a two-sided 95% confidence interval with a width no wider than 0.1 and set examine values of K = 21 (scale items). From past studies, we want to use a planning ...