RESEARCH METHODOLOGY

METHODS OF DATA COLLECTION

CONCEPT OF SAMPLING AND OTHER CONCEPTS RELATED TO SAMPLING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Identify the type of sampling technique"A researcher who is studying the effects of educational attainment on promotion conducted a survey of 50 randomly selected workers from each of these categories:high school graduate, with undergraduate degrees, with master’s degree, and with doctoral degree.”
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: -Researchers use two major sampling techniques: probability sampling and nonprobability sampling. With probability sampling, a researcher can specify the probability of an element’s (participant’s) being included in the sample.

Detailed explanation-3: -This sampling method involves a primary data source nominating other potential data sources that will be able to participate in the research studies. Snowball sampling method is purely based on referrals and that is how a researcher is able to generate a sample.

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