Table 1. Rater agreement on adequate performance in the delivery of MIC and NPC strategies.
| Number of Sessions Meeting Criterion (n=15) | Rater Agreement | ||
|---|---|---|---|
|
| |||
| Rater 1 | Rater 2 | ||
| MIC Sessions | |||
| MI-Consistent Strategies | |||
| MI spirit | 14 | 15 | 93% |
| Open questions | 15 | 15 | 100% |
| Reflections | 15 | 15 | 100% |
| Affirmations | 13 | 15 | 87% |
| Fostering collaboration | 12 | 15 | 80% |
| Motivation for change | 12 | 14 | 87% |
| Client-centered discussion & feedback | 12 | 12 | 80% |
| Exploring pros/cons/ambivalence | 0 | 0 | 100% |
| Developing discrepancies | 1 | 0 | 93% |
| Change planning discussion | 14 | 15 | 93% |
| MI-Inconsistent Strategies | |||
| Unsolicited advice | 4 | 1 | 80% |
| Direct confrontation | 0 | 0 | 100% |
| Asserting authority | 0 | 0 | 100% |
| NPC Sessions | |||
| NPC-Consistent Strategies | |||
| Psychoeducation about nutrition topic | 15 | 15 | 100% |
| Provide patient opportunity to ask questions | 14 | 14 | 100% |
| NPC-Inconsistent Strategies | |||
| Discuss patient's motivations to lose weight | 0 | 0 | 100% |
| Change planning discussion | 0 | 0 | 100% |
Note: MIC=Motivational Interviewing and Internet Condition. NPC=Nutrition Psychoeducation and Internet Condition. UC=Usual Care. Adequate performance criterion = demonstration of the strategy at least 3 times in the session with adequate skill. Fifteen sessions per condition (N=30) were randomly selected for two trained judges to independently rate.