Data obtained using the Ottawa GRS in measuring CRM performance during high-fidelity simulation scenarios support evidence of construct validity. Data also indicate the presence of acceptable interrater reliability when using the Ottawa GRS.

Construct validity seems to be present when using both the Ottawa GRS and CRM checklist to evaluate CRM performance during simulated emergencies. Data also indicate the presence of moderate inter-rater reliability when using both the Ottawa GRS and CRM checklist.