From SKYbrary: The entire package of Operator's Guide to Human Factors in Aviation relates to the wider concept of Crew Resource Management (CRM). This Briefing Note deals primarily with the “original” part of the CRM concept, namely the interaction between those involved in aviation, be they crew members, air traffic control, etc, as well as management of resources within the aviation environment.
Poor human interactions and poor management of resources have contributed to many accidents and incidents. This briefing note explores the problems that can be caused by poor interaction and coordination and provides a summary of the role that crew resource management (CRM) can play in preventing accidents and incidents.
The concept of CRM originated in the 1970s and was initially known as “cockpit resource management.” In essence, CRM is the practical application of the various aspects of human factors, including situational awareness, decision making, threat and error management (TEM), team cooperation and communication among the various people who are involved in the operation of flights. These include flight and cabin crews, maintenance personnel, air traffic controllers and dispatchers. The principles of CRM integrate both technical and nontechnical skills. As the name implies, CRM seeks to manage the available human resources effectively to reduce risk and maximize efficiency.

Here is a great primer, created by Dr Anthony Ciavarelli for the Naval Postgraduate School's Aviation Safety Officer course.




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References:

Pilot Handbook of Aeronautical Knowledge
FAR/AIM
Aviation Instructors Handbook
Instrument Flying Handbook