But in case a gallstone obstructs the bile duct, certain problems may occur. The common symptoms of gallstones include: Sudden onset of pain that may just as suddenly increase in severity. The pain is mainly felt in the right side of the abdomen.
Affiliative behavior can be defined as any prosocial behavior that brings two or more individuals into close proximity. The formation of social units, such as mating pairs, family units, colonies, or even societies is critical for the survival of most species, including humans.
Social facilitation can be defined as âan improvement in performance produced by the mere presence of othersâ. There are two types of social facilitation: co-action effects and audience effect. Studies on social facilitation concern the extent to which a given piece of an individual's behavior is affected by the real, imagined or implied presence of others. Perhaps the first social psychology laboratory experiment was undertaken in this area by Norman Triplett in 1898.