According to Zajonc's mere presence hypothesis,what does social facilitation result from?

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According to Zajonc's mere presence hypothesis, social facilitation occurs because the physical presence of others increases arousal, which in turn enhances the dominant response (i.e. the most likely or habitual response) to a given task. This can result in better performance on easy or well-learned tasks, but worse performance on difficult or novel tasks. The presence of others can also create social inhibition, where performance is worse in the presence of others due to anxiety, distraction, or other factors.

According to Zajonc's Mere Presence Hypothesis,what Does Social Facilitation Result