| Game theory|
Game theory is a branch of applied mathematics that uses models to study interactions with formalised incentive structures ("games"). Unlike decision theory, which also studies formalized incentive structures, game theory encompasses decisions that are made in an environment where various players interact strategically.
| Gender Role|
In the social sciences and humanities, a gender role is a set of behavioral norms associated with a given gendered status (also called a gendered identity) in a given social group or system.
Genie is a name used for a feral child discovered by California authorities on November 4, 1970 in the Los Angeles suburb of Arcadia. Her real name remains classified.
| Gestalt effects|
Gestalt effects in psychology of cognition refer to the form-forming capability of our senses. Examples are mostly taken from the visual sense and the cognition of two-dimensional forms, because this is easiest to present.
| Gestalt Psychology|
Gestalt psychology (also: Gestalt theory of the Berlin School) is a psychological theory which provides a framework for a wide variety of psychological phenomena, processes, and applications.
| Gestalt Theoretical Psychotherapy|
Gestalt Theoretical Psychotherapy is a method of psychotherapy based strictly on Gestalt psychology. It was developed by the German Gestalt psychologist and psychotherapist Hans-Juergen P. Walter and his colleagues in Germany and Austria.
| Gestalt therapy|
Gestalt therapy is a form of psychotherapy, based on the experiential ideal of "here and now", and relationships with others and the world. Drawing on the ideas of humanistic psychology, the school of Gestalt therapy was co-founded by Fritz Perls, Laura Perls and Paul Goodman in the 1940s-1950s.
| Group-serving bias|
Group-serving bias is identical to self-serving bias except that it takes place between groups rather than individuals, under which group members make dispositional attributions for their group's successes and situational attributions for group failures, and vice versa for outsider groups.
| Group attribution|
The group attribution error is a group-serving, attributional bias identical to the fundamental attribution error except that it occurs between members of different groups rather than different individuals.
| Group polarization|
Group polarization effects have been demonstrated to exaggerate the inclinations of group members after a discussion. A military term for group polarization is "incestuous amplification".
Groupthink is a term coined by psychologist Irving Janis in 1972 to describe a process by which a group can make bad or irrational decisions. In a groupthink situation, each member of the group attempts to conform his or her opinions to what they believe to be the consensus of the group.