A letter of reprimand is a letter summarizing an isolated incident of unacceptable work conduct. It may also be used to summarize previous verbal counseling sessions, or warnings, or to point out that unacceptable work performance is continuing.
Meaning and definition of single-loop learning : Single-loop Learning: Single-loop learning involves using knowledge to solve specific problems based on existing assumptions, and based on what has worked in the past. If a room is becoming too cool, one would adjust the thermostat setting, not question whether the air-conditioning system is over designed.
Collaborative learning. Collaborative learning is a situation in which two or more people learn or attempt to learn something together. Unlike individual learning, people engaged in collaborative learning capitalize on one another's resources and skills (asking one another for information, evaluating one another's ideas, monitoring one another's work, etc.).