Mass Communication and Journalism > Research methods and Process
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___________________ sampling requires that representative individuals are chosen out of a specific sub group. After the process of collecting the data, it is classified and presented in a tabular format. Statistical method are also used for the process of analysis. The raw data is filtered to ensure accuracy and completeness. Classifying the data refers to categorizing the data into various groups or heads. Many statistical methods have been used for the purpose of statistical analysis.

Options
- Sequential sampling
- Cluster sampling
- Quota sampling
- Multi – stage sampling

CORRECT ANSWER : Quota sampling
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Explanation

Quota sampling is a non probability sampling technique wherein the collected samples have a same trait or characteristics as the entire population. For example, a researcher might select around 100 individuals who fall under the age group of 20 to 25 years. Cluster sampling involves selecting of a group or cluster rather than the individual elements from a population. The sample size preferred is usually larger than the simple random sample so as to ensure a high level of accuracy. Multi-stage sampling is an extension of the cluster sampling. It is applied to situations wherein a large geographical area (like a country) is considered. The first stage would be to select the sampling units such as states, then districts, followed by towns and finally certain families who reside within the town. Sequential sampling is a very complex sample design.

Meera V Nair 06-9-2015 01:14 AM

 
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