Sampling Procedure and Sample
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Questions and Answers

What is sampling?

  • The process of estimating the size of a population
  • The process of conducting interviews with every member of a population
  • The process of drawing a number of individual cases from a larger population (correct)
  • The process of analyzing data after it has been collected

    • Why do researchers use sampling?

  • To learn something about a large group without having to study every member of that group (correct)
  • To ensure that every member of the population is included in the study
  • To exclude certain groups from the study
  • To estimate the exact size of a population

    • What is a sampling frame or study population?

  • The target population for the research
  • The group of elements from which a sample is actually selected (correct)
  • The specific individuals participating in the study
  • The excluded individuals from the sample

    • What is the population in a research study?

    <p>The group of elements from which a researcher samples and to which she or he might like to generalize</p> Signup and view all the answers

    Which term refers to a population of theoretical interest?

    <p>Target Population</p> Signup and view all the answers

    In the context of the text, what is an element in the study?

    <p>Nationality of Photograph-winning participants</p> Signup and view all the answers

    What is the sampling frame of the study on TV viewers in the local viewing region?

    <p>Every 40th household on the subscriber list</p> Signup and view all the answers

    In the study of TV viewers in the local viewing region, what is the population?

    <p>All residential customers who subscribed to cable TV</p> Signup and view all the answers

    What makes simple random sampling a probability sample?

    <p>It gives every member of the study population an equal chance of selection</p> Signup and view all the answers

    What distinguishes systematic sampling as a probability sampling procedure?

    <p>It selects every kth element from a list of population elements</p> Signup and view all the answers

    What characterizes stratified sampling as a probability sampling procedure?

    <p>It involves dividing the population into groups and then sampling from each group</p> Signup and view all the answers

    What is the main characteristic of cluster sampling as a probability sampling procedure?

    <p>It involves randomly selecting clusters of elements from a population</p> Signup and view all the answers

    Why have researchers only recently started using cell phone numbers in polling?

    <p>Cell phones were not considered reliable for polling until recently</p> Signup and view all the answers

    What problem may result from only using landline numbers in polling?

    <p>Underrepresentation of younger demographics</p> Signup and view all the answers

    What is NonProbability Sampling?

    <p>A sample that has been drawn in a way that doesn’t give every member of the population a known chance of being selected</p> Signup and view all the answers

    What distinguishes NonProbability Sampling?

    <p>A sample that has been drawn in a way that doesn’t give every member of the population a known chance of being selected</p> Signup and view all the answers

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