In Journal of Religion and Health, Marcin Wnuk and Jerzy Tadeusz Macinkowski (2012) investigated the relationship between religious belief and psychological well-being. In this study, they used a variety of measures, including the Daily Spiritual Experiences scale, Purpose in Life Test, Hearth Hope Index, Cantrol Ladder, and Positive and Negative Affect Schedule. As in previous research, spiritual experiences were positively related to satisfaction with life and positive affect, but were not found to be related to negative affect. Meaning of life and hope mediated the relationships between spiritual experiences and both positive psychological variables of satisfaction with life and positive affect. These findings suggest that people who are religious tend to be more satisfied with life and have more frequent positive emotional experiences, in part, because they have more meaning in life and are more hopeful.
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