METHODS OF DATA COLLECTION
CONCEPT OF SAMPLING AND OTHER CONCEPTS RELATED TO SAMPLING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sample
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Stratified Sampling Method
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Population
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Voluntary-Response
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Detailed explanation-1: -The whole group that is being studied. A sample in a research study is a relatively small number of individuals about whom information is obtained. The larger group to whom the information is then generalized is the population. A census is a survey which measures an entire population.
Detailed explanation-2: -Focus group: A meeting with individuals in which a structured, group interview is conducted and information obtained from the interview is recorded and analyzed for research purposes.
Detailed explanation-3: -Recall the entire group of individuals of interest is called the population. It may be unrealistic or even impossible to gather data from the entire population. The subset of the population from which data are actually gathered is the sample.