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

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

<p>Convenience sampling (C)</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 (D)</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. (C)</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 (B)</p> Signup and view all the answers

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

<p>Sampling Frame (A)</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 (A)</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 (A)</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 (A)</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 (C)</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 (A)</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 (B)</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 (D)</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 (A)</p> Signup and view all the answers

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