Sampling Technique Overview

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Questions and Answers

What is the main purpose of describing the sampling procedure in a research study?

  • To provide transparency and justify the validity of the sample selection (correct)
  • To demonstrate the researcher's expertise in statistics
  • To highlight the constraints faced during the sampling process
  • To showcase the complexity of the research methodology

Which of the following is NOT a requirement for using simple random sampling?

  • The population must be finite and easily countable
  • Every member of the population must have an equal chance of being selected
  • The population must be divided into subgroups (correct)
  • The population must be homogeneous

Which of the following sampling techniques guarantees that every member of the population has an equal chance of being selected?

  • Purposive sampling
  • Probability sampling (correct)
  • Quota sampling
  • Convenience sampling

Which of the following sampling techniques involves selecting a sample based on the researcher's judgment or specific purpose?

<p>Purposive sampling (C)</p> Signup and view all the answers

What is the key difference between probability and non-probability sampling?

<p>Probability sampling ensures every member of the population has an equal chance of being selected, while non-probability sampling does not (C)</p> Signup and view all the answers

Which of the following is a characteristic of simple random sampling?

<p>The population is easily countable and homogeneous (C)</p> Signup and view all the answers

Which of the following is NOT a method involved in simple random sampling?

<p>Systematic sampling (B)</p> Signup and view all the answers

What is the formula for calculating the frequency of selection in systematic sampling?

<p>$F = N S$ (A)</p> Signup and view all the answers

What is one disadvantage of systematic sampling?

<p>It violates the fundamental premise of probability sampling (A)</p> Signup and view all the answers

When is stratified random sampling used?

<p>When studying a population made up of distinct subgroups (D)</p> Signup and view all the answers

What is the difference between proportionate and non-proportionate stratified random sampling?

<p>Proportionate sampling selects subjects in proportion to the size of the subgroup, while non-proportionate sampling does not (D)</p> Signup and view all the answers

What is one problem that can introduce error in systematic sampling?

<p>The order in which the names are listed (A)</p> Signup and view all the answers

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