What is a key characteristic of non-probability sampling methods in research? a. They ensure equal representation of all subgroups in the population. b. They rely on random selection techniques. c. They may introduce selection bias into the sample. d. They are less time-consuming and cost-effective.
Question
What is a key characteristic of non-probability sampling methods in research?
a. They ensure equal representation of all subgroups in the population.
b. They rely on random selection techniques.
c. They may introduce selection bias into the sample.
d. They are less time-consuming and cost-effective.
Solution
The key characteristic of non-probability sampling methods in research is:
c. They may introduce selection bias into the sample.
Non-probability sampling does not involve random selection. Instead, samples are selected based on the subjective judgment of the researcher, which can lead to selection bias. This is because not everyone in the population has an equal chance of being selected. This method is often used when there is a limited amount of time or resources available for the study.
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