In general, how do sociologists and psychologists account for human behavior; in other words, what motivates humans to act within each discipline?

In general, how do sociologists and psychologists account for human behavior; in other words, what motivates humans to act within each discipline?

For many sociologists and psychologists, the individual is not fully independent, but rather a somewhat conformist member of some group whose common identity can come from any manner of attributes (e.g., race, ethnicity, class, gender). Does this proposition strike you as accurate; do you agree with this argument from sociology and psychology? If so, why; if not, why not?

Based on your own observations and experiences, do humans in groups behave more as a mob, or more as a deliberative and peaceful assembly?