Answer:
social psychology
mind and behaviour
Explanation:
Social psychology is the scientific study of thoughts, feelings and behavior as affected by the social environment of a person. It involves understand human behaviour in relation to how the presence of other human beings shape this behavior.
Note "scientific" here would mean the empirical investigations put in place for such studies.
Second question:
Psychology is the science of mind and behaviour. It is a broad field studying the conscious and unconscious as well as the brain to determine it's resultant effects on behaviour. Notable theories in this field are: behaviourism, gestalt psychology, cognitive theory etc.