Search in newspapers, articles, internet or news about "what makes the professional called sociologist".

Sociologist-scientist, a specialist in sociology-the Science of society, the systems that make it, the regularities of its functioning and development, social institutions, relationships, and communities. The main goal of the sociologist is "to analyze the structure of social relations as they are in the course of social interaction. "  

This perspective specialty allows self-actualization to those who are able to empathize, understand the problems of other people who want to help another to continue to live normally, despite the physical shortcomings, spiritual scrapping or life crisis. Social Workers help those in need to solve the problems that arise in their daily lives and, above all, those who are not socially protected. They not only mitigate social tensions but also participate in the drafting of legislation designed to more fully to express the interests of different segments of the population.  

Professional sociologist combines the best qualities of a psychologist, a doctor, a teacher, a lawyer. At the same time, it is a profession that is maximally oriented towards society. I HOPE IT HELPS YOU! )))

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

haile selassie i was the emperor of ethiopia from 1930-1974