Table 2.
Evaluation of multidimensional spirituality questionnaires
| Psychometric qualities | Item formulation | Confusion with well-being | ||||
|---|---|---|---|---|---|---|
| Questionnaire (no. of scales, no. of items) | Internal consistency | Factor structure confirmed | Positive association with spirituality measuresI | Positive association with religiosity measuresI, a | Firsthand experience, one question and consistent meaningII | No reference in wording of items to affectII |
| PSQ (5, 30) | ? | + | ? | ? | − | + |
| SAS (4, 28) |
+− Transcendence + other scales |
+ | ? | − | − | + |
| SIBS-R (4, 22) | ? | ± | ? | ? | − | + |
| STS (3, 24) |
+ Universality ± Prayer fulfillment − Connectedness |
± |
− Connectedness + other scales |
+ Prayer fulfillment ± Universality − Connectedness |
− | + |
| SWBQ (4, 20) | + | + |
− Environmental + other scales |
+ Transcendental − other scales |
+ | + |
| WHOQOL SRPB (8, 32) | + | ? | ? | ? | − | − |
? = no data available; + = criterion is met; +− = criterion is sometimes met; − = criterion is not met
ICriterion: |r| > .30; II Criterion: more than 75% of the items
aOnly subscales measuring connectedness with the transcendent are expected to meet the criterion