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Social facilitation is the tendency for people to do perform differently while in the presence of others. Specifically, better on simple or well-rehearsed tasks and worse on complex or new ones. The Yerkes-Dodson law, when applied to social facilitation, states that "the mere presence of other people will enhance the performance in speed and accuracy of well-practiced tasks, but will degrade the performance of less familiar tasks."〔Kirby, L. (2011, March 17). Group Processes. Lecture presented to Social Psychology Course at Vanderbilt University, Nashville, TN.〕 Social facilitation has occasionally been attributed to the fact that certain people are more susceptible to social influence, with the argument that person factors can make these people more aware of evaluation. == History == Social facilitation can be defined as a tendency for individuals to perform differently when in the mere presence of others. Specifically, individuals perform better on simpler or well-rehearsed tasks and perform worse on complex or new ones. In relation to this, there are three main empirical relationships which are the activation, evaluation, and attention theories. The activation theory describes how we are aroused and how it is important to our functioning. The evaluation theory relates to the systematic assessment of the worth or merit of some object. The attention theory takes into account possession in the mind including focalization, concentration of consciousness are of its essence. Norman Triplett pioneered research on social facilitation in 1898, while he was studying the competitive nature of children.〔 He found that children were much faster at completing their given activity (winding string) while they were competing, which caused him to wonder whether or not simply having another individual there would have the same effect. To determine this, Triplett studied the race time of cyclists and found that cyclists had faster race times when in the presence of other cyclists. He theorized that the faster times were because the presence of others made individuals more competitive, and further research led Triplett to theorize that the presence of others increases individuals' performances in other noncompetitive situations as well. In 1924, Floyd Allport, the commonly commonly considered founder of social psychology, coined the term social facilitation.〔 Allport conducted studies in which participants sat either alone or with other participants and did a variety of tasks such as word association tasks and multiplication assessments. He found that people performed better when in a group setting than when alone for the majority of tasks. However, at this time, social facilitation simply meant an "increase in response merely from the sight or sound of others making the same movement."〔 In Raefeli's meta-analysis of the social facilitation phenomenon, four conclusions are made. Firstly, the presence of others heightens an individual's physiological arousal only if the individual is performing a complex task. Moreover, the mere presence of others increases the speed of simple task performance and decrease the speed of complex task performance. Another conclusion made was that the presence of others the presence of others heightens an individual's physiological arousal only if the individual is performing a complex task. Lastly, social facilitation effects are surprisingly unrelated to the performer's evaluation apprehension. These meta-analytic conclusions are contrasted with conclusions reached by narrative literature reviews.〔Rafaeli, S; Rafaeli, S.; Noy, A.; Correspondence (September 2002). European Journal of Information Systems, Volume 11, Number 3: 196-207.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「social facilitation」の詳細全文を読む スポンサード リンク
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