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. 2017 Apr 13;17:264. doi: 10.1186/s12885-017-3238-0

Table 1.

Items of the COM-ON-rct-checklist

Content-specific items: Disclose information about clinical trails
 Did the participant:
• Explore the patient’s perception of the situation?
• Set an agenda for the discussion?
• Maintain sequences of treatment options (first standard then trials)?a
• Introduce and explain treatment options?
• Explain the set up and process of the research project?
• Provide an appropriate explanation of randomisation?
• Explain the reason for randomisation?
• Explain possible risks and side-effects?
• Explain that unknown effects may occur?
• Explain that participation is voluntary?
• Close the discussion in an appropriate manner?
General Communication Skills-related Items
 Did the participant:
• Achieve an appropriate beginning?
• Use appropriate language?
• Employ adequate nonverbal communication?
• Take pauses?
• Show empathy to the patient?
• Encourage the patient to ask questions?
• Employ an adequate way to check the patient’s understanding?
• Structure the discussion?
Overall Evaluation Item
• What is your overall evaluation of the participant’s communication competence?

aBinary item (yes/no) not integrated in the Mixed Model analysis utilized in the evaluation