期刊
PATIENT EDUCATION AND COUNSELING
卷 80, 期 3, 页码 405-409出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.pec.2010.06.032
关键词
Interrater reliability; Randomized controlled trial; RCT; IRR; Four Habits Coding Scheme (4HCS)
资金
- Regional Health Enterprise for Southeast Norway
Objective: To describe the process for developing interrater reliability (IRR) for the Four Habits Coding Scheme (4HCS) for a heterogeneous material as part of a randomized controlled trial. Methods: Videotapes from 497 hospital encounters involving 71 doctors from most clinical specialties were collected. Four experienced psychology students were trained as raters. We calculated Pearson's r and the intraclass correlation (ICC) on the total score across consecutive samples of twenty videos, and Pearson's r on single videos across items in the initial coding phase. Results: After 18 h of training and one rating session, the total score Pearson's r and ICC exceeded .70 for all pairs of raters. Across items within single videos, the Pearson's r was never below 0.60 after the first 50 videos. At item and habit level Pearson's r remained unsatisfactory for some rater pairs mostly due to low variance on some items. Conclusion: Based on the evaluation of the effect of communication skills training via a total score, IRR was satisfactory for the 4HCS as applied to heterogeneous material. However, good reliability at item level was difficult to achieve. Practice implications: 4HCS may be used as an outcome measure for clinical communication skills in randomized controlled trials. (C) 2010 Elsevier Ireland Ltd. All rights reserved.
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