John W. Traphagan, “Multidimensional Measurement of Religiousness/Spirituality for Use in Health Research in Cross-Cultural Perspective”, Research on Aging 27 (2005): 387–419. Во многих исследованиях используется шкала, опубликованная в G. J. Conners et al., “Measure of Religious Background and Behavior for Use in Behavior Change Research”, Psychology of Addictive Behaviors 10, № 2 (June 1996): 90–96.
