Robert Havinghurst {Ans: Believed that adolescence consisted of a series of developmental tasks; the skills, knowledge, and attitudes which must be acquired at successive points in individual development (Walk, Talk, Eat Solid Food) (Memory Hint: Having Hurst you i will not walk, talk and eat.)}Group Stages {Ans: Initial stage or forming, transition stage or storming, working stage or norming, termination stage or adjourning}Rationalization {Ans: Defense mechanism by which people reinterpret undesirable feelings or behaviors in terms that make them appear acceptable.}Stanley Milgram {Ans: Field: social psychology; Contributions: wanted to see how the German soldiers in WWII fell to obedience, wanted to see how far individuals would go to be obedient; Studies: Shock Study}Stages of Acculturation {Ans: Cultural integration (Bi-Cultural Identity), Cultural Assimilation (Embraces only Macro Culture), Separation (Accepts own culture, but not Macro Culture - Would work well with counselor from same culture in this stage.), Marginalization (Individual does not accept own culture or macro). euphoria, culture shock, tentative recovery, and assimilation/adaptation/integration}The Avoidance Principle {Ans: is a behavior modification technique in which a representation of a negative behavior and an unpleasant situation are presented simultaneously.}