The relational frame theory is a psychological approach that helps understand the processes of language and cognition. The functional contextual theory approaches verbal events as activities and not as products.
Contingency theory is a set of behavioural theory which postulates that there is no single way or the best method to organize and lead an organization in a management set up. Instead, a leader should be appointed who can make decisions based on the situation and relative conditions. This theory was made popular by Fred Fiedler with his famous Contingency model, which paved way for further contingency theories and models with more details and understanding.
Social facilitation as a phenomenon was first studied in 1898 which is applied to both animals and humans. Social facilitation is said to take place when there is a change in human or animal behaviour caused by the mere presence of another individual or animal.