A research worker plans to evaluate high school students reactions to a new policy on closed campus stations. He locates himself near the office of the dean, where he interviews every fourth student who visits the dean. He eventually secures data from 100 interviews and publishes his findings as the Reactions of high school students to a new policy for a closed campus. What may be wrong with this approach?

PRACTICAL RESEARCH

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A research worker plans to evaluate high school students’ reactions to a new policy on closed campus stations. He locates himself near the office of the dean, where he interviews every fourth student who visits the dean. He eventually secures data from 100 interviews and publishes his findings as the “Reactions of high school students to a new policy for a closed campus.” What may be wrong with this approach?

A	Too small a sample
B	Inadequately defined problem
C	Inadequate techniques of analysis
D	Biased sample

Explanation:

Detailed explanation-1: -Simple random sampling. In simple random sampling (SRS), each sampling unit of a population has an equal chance of being included in the sample. Consequently, each possible sample also has an equal chance of being selected.

Detailed explanation-2: -Systematic sampling is a type of probability sampling method in which sample members from a larger population are selected according to a random starting point but with a fixed, periodic interval. This interval, called the sampling interval, is calculated by dividing the population size by the desired sample size.

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RESEARCH METHODOLOGY

METHODS OF RESEARCH

PRACTICAL RESEARCH