Research Methods: Approaches to Sampling
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Questions and Answers

What is a necessary condition for probability sampling?

  • The population is divided into subpopulations
  • Each member of the population has an equal chance of being selected (correct)
  • Participants are selected based on their availability
  • A sampling frame is not required

    • Which of the following survey methods is most susceptible to response bias?

  • Internet surveys
  • Telephone interviews
  • Mail surveys (correct)
  • Personal interviews

    • What is the primary advantage of stratified random sampling?

  • It reduces the likelihood of response bias
  • It increases the likelihood that the sample will represent the population (correct)
  • It is a type of nonprobability sampling
  • It is a faster method of data collection

    • What is the purpose of a sampling frame in probability sampling?

    <p>To provide a list of potential participants for the survey</p> Signup and view all the answers

    What is the primary difference between probability and nonprobability sampling?

    <p>The equal chance of selection for each member of the population</p> Signup and view all the answers

    Which of the following is an example of a nonprobability sampling method?

    <p>Convenience sampling</p> Signup and view all the answers

    What is the primary goal of selecting a sample in research?

    <p>To ensure that the sample is representative of the population</p> Signup and view all the answers

    What is the primary limitation of Sample A and Sample B?

    <p>They are representative of only one feature of the population.</p> Signup and view all the answers

    What type of bias occurs when a researcher places sign-up sheets for a study in a Psychology Department?

    <p>Selection bias</p> Signup and view all the answers

    What is the term for the list of all members of a population?

    <p>Sampling Frame</p> Signup and view all the answers

    Which type of sampling involves dividing the population into subgroups based on characteristics and then selecting a random sample from each subgroup?

    <p>Stratified Random Sampling</p> Signup and view all the answers

    What is the term for the problem of survey respondents providing inaccurate or untruthful answers?

    <p>Response Bias</p> Signup and view all the answers

    What is the primary reason for under-representation of individuals from diverse cultures in research?

    <p>Researcher's bias in selection procedures</p> Signup and view all the answers

    What is the term for the individuals who are selected for the initial sample but do not complete and return the survey?

    <p>Non-respondents</p> Signup and view all the answers

    What is the term for the process of selecting a sample that is representative of the population?

    <p>Probability Sampling</p> Signup and view all the answers

    Which of the following is NOT a characteristic of a sample that is representative of the population?

    <p>The sample is comprised of only volunteers</p> Signup and view all the answers

    What is the primary consequence of response bias in survey data collection?

    <p>A sample that represents only the population of people who are interested and have time</p> Signup and view all the answers

    What is the term for the list of all individuals in the population from which a sample is drawn?

    <p>Sampling frame</p> Signup and view all the answers

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