RESEARCH METHODOLOGY

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METHODS OF DATA COLLECTION

CONCEPT OF SAMPLING AND OTHER CONCEPTS RELATED TO SAMPLING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
*A researcher wants to find out about the lunch time eating habits of workers in a particular car factory. She obtains a list of all employees, chooses a starting number, chooses an interval number and then works through the list, developing her sample list from the employees that appear at the correct interval on the list.
A
simple random sampling
B
systematic sampling
C
stratified sampling
D
cluster sampling
Explanation: 

Detailed explanation-1: -Opportunity Sampling Uses people from the target population available at the time and willing to participate. It is based on convenience. An opportunity sample is obtained by asking members of the population of interest if they would participate in your research.

Detailed explanation-2: -In the random number method, you assign every individual a number. By using a random number generator or random number tables, you then randomly pick a subset of the population.

Detailed explanation-3: -Systematic sampling, also called nth name selection technique, is often used instead of random sampling due to its simpler process. After the sample is collected, every nth member within the population is recorded within the sample.

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