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Social stratification refers to a system by which a society ranks categories of people in a hierarchy. Theoretically, we can analyze social stratification from three major perspectives. Structural functionalists argue that social stratification is beneficial for a society, while a conflict theorist would argue that, rather than benefiting society as a whole, stratification provides some people with advantages over others. Finally, a symbolic interactionist would analyze how social stratification helps us see patterns of social inequality in our everyday lives.
Implosion therapy and flooding - involve that the patient has to face the worst possible fear producing situation, in imagination only in the former and in the physical context in the latter. In contrast with systematic desensitization which presupposes a gradual exposure to the stimuli, these techniques are more radical and less time consuming. If successful, the patient might be cured of a phobia in one hour. The advantage of this method is that the patient learns that there are no objective bases for his/her fear by accepting to openly confront it. Ethical problems are associated as well in regard to suffering from therapy.