Scale Overview
The Experience of Close Relationships Questionnaire Short Version – ECR-R-18 was developed by Tinakon Wongpakaran, Nahathai Wongpakaran (2012). It is designed to measure Adult Attachment Style. The scale is intended for use with Adults (clinical and non-clinical).
Scale Structure
This instrument consists of 18 items organized into 2 factors/subscales: Anxiety, Avoidance.
| Factor / Subscale |
Items |
N |
| Anxiety |
2,4,6,8,10,12,14,16,18 |
9 |
| Avoidance |
1,3,5,7,9,11,13,15,17 |
9 |
Response Format
Respondents rate each item using a 7-point Likert scale (1 = Strongly Disagree to 7 = Strongly Agree).
The scale includes 8 reverse-scored items to reduce acquiescence bias.
Scoring
Items are scored by subscale, with each subscale sum representing a distinct dimension.
Total scores range from 9 to 63. Interpretation guidelines:
- Low: 9 – 27
- Moderate: 28 – 45
- High: 46 – 63
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Anxiety: alpha = 0.85-0.89, Avoidance: alpha = 0.82-0.87.
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.