Research Methodology · Research Aptitude
Which of the following accurately describes the defining characteristic and primary advantage of probability sampling?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Subjects are chosen based on their immediate accessibility, which significantly minimizes the time and expenses required for the study.
- 2The population is segmented into exclusive subgroups, and non-random methods are utilized to fill predetermined quotas.
- 3Every member of the population has a known and non-zero chance of being selected, which reduces selection bias and allows for the calculation of sampling error.✓
- 4Members of the population are selected based on the researcher's expertise, ensuring targeted insights without a known chance of selection.
Correct answer
Every member of the population has a known and non-zero chance of being selected, which reduces selection bias and allows for the calculation of sampling error.
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