Scale Overview
The Outcome Questionnaire – OQ-45.2 was developed by Michael J. Lambert, Gary M. Burlingame (1996). It is designed to measure Psychological distress and functional impairment. The scale is intended for use with Adults.
Scale Structure
This instrument consists of 45 items organized into 3 factors/subscales: Symptom Distress, Social-Role functioning, Interpersonal Relationships.
| Factor / Subscale |
Items |
N |
| Symptom Distress |
2,3,5,6,8,9,10,11,13,15,22,23,24,25,27,29,31,33,34,35,36,40,41,42,45 |
25 |
| Social-Role functioning |
4,12,14,21,28,32,38,39,44 |
9 |
| Interpersonal Relationships |
1,7,16,17,18,19,20,26,30,37,43 |
11 |
Response Format
Respondents rate each item using a custom response format.
Response anchors: 0 = Never, 1 = Rarely, 2 = Sometimes, 3 = Frequently, 4 = Almost always.
The scale includes 9 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 0 to 180. Interpretation guidelines:
- Non-clinical range: 0 – 62
- Clinical range (significant distress): 63 – 180
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of Cronbach's alpha ~ 0.93 for total score.
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.