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Old Monday, May 31, 2010
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CASE STUDY method is used to study the young criminals, drug addict, aids patients and human behaviour. Read any book on social research methods for details.
Probability and non-brobalility are 2 different sampling techenques used to select sample out of universe. You can find details of them in any basic book on sampling techenques in social sciences.
internal validity. not sure,will have to consult book.
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