is/are the set of forces that cause a group member to perform better either when being observed by or working alongside others. It tends to work positively for simple tasks (or those at which someone has become an expert) but negatively for most complex or unfamiliar tasks. Examples of these forces include: competition, attentiveness, behavioral modeling, positive reinforcement, etc.

social facilitation

Explanation:

In simple words, When interacting with other individuals rather than individually, social facilitation can be characterized as change in individual efficiency. Social facilitation often happens in the very interaction of other individuals, in additament to operating along with other individuals. Thus, from the above we can conclude that the correct answer is social facilitation.

( jay is giving his friend diabetes) answer; shaping;