She compromises and slogs home. The next day conditions are identical, except that two friends run with her. Tawna runs her route two minutes faster. Interacting groups often have more dramatic effects. Intellectual college students hang out with other intellectuals, accentuating one another's intellectual interests.
Deviant youth hang out with other deviant youth, amplifying one another's antisocial tendencies.
Finally, individuals influence their groups. It is a hot day. The tired jurors are closed to agreement and eager for a quick verdict convicting a teenage boy of knifing his father. But one maverick, played by Henry Fonda, refuses to vote guilty. In real trials, alone individual seldom sways the entire group.