Duke University Religion Index – DUREL
Measures three major dimensions of religiosity: organizational, non-organizational, and intrinsic religiosity.
Scale Development & Technical Details
Scale Overview
The Duke University Religion Index – DUREL was developed by Harold G. Koenig, Arndt Büssing (2010). It is designed to measure Religiosity. The scale is intended for use with General population.
Scale Structure
This instrument consists of 5 items organized into 3 factors/subscales: Organizational Religious Activity (ORA), Non-organizational Religious Activity (NORA), Intrinsic Religiosity (IR).
| Factor / Subscale | Items | N |
|---|---|---|
| Organizational Religious Activity (ORA) | 1 | 1 |
| Non-organizational Religious Activity (NORA) | 2 | 1 |
| Intrinsic Religiosity (IR) | 3,4,5 | 3 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: ORA_1 = Never, ORA_2 = Once a year or less, ORA_3 = A few times a year, ORA_4 = A few times a month, ORA_5 = Once a week, ORA_6 = More than once/week, NORA_1 = Rarely or never, NORA_2 = A few times a month, NORA_3 = Once a week, NORA_4 = Two or more times/week, NORA_5 = Daily, NORA_6 = More than once a day, IR_1 = Definitely not true, IR_2 = Tends not to be true, IR_3 = Unsure, IR_4 = Tends to be true, IR_5 = Definitely true of me.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 1 to 15. Interpretation guidelines:
- Organizational Religious Activity (ORA) Score Range: 1 – 6
- Non-organizational Religious Activity (NORA) Score Range: 1 – 6
- Intrinsic Religiosity (IR) Score Range: 3 – 15
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Not specified in source text.
Administration
The scale is self-administered and typically takes approximately 2 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.