In your opinion,
1- Does Crew Resource Management (CRM) really work? Yes, accident rates may be low but is CRM responsible?
2- Is there a way to differentiate between causation and correlation and measure the effectiveness of CRM? 3- Reference the articles in material provided, FAA accident data, and any other resources to help support your position.
NTSB Accident Data:
1- Aviation Accident Statistics 2001-2020 Accident Rates (XLSX)
2- Data source from public domain via NTSB Data https://www.ntsb.gov/safety/Pages/default.aspx