Practical Research 1: Discovering More Concepts
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Questions and Answers

What is the purpose of unbiased sampling in the selection process?

To obtain a sample that represents the population under study or shows strong similarities with the population.

What is the consequence of a sampling error in the selection process?

Strong dissimilarity between the sample and the ones listed in the sampling frame.

How does the size of the sample affect the number of sampling errors?

The smaller the sample, the bigger the number of sampling errors.

What factors should be considered when deciding on the size of the sample?

<p>Expenses for questionnaires and interview trips, interview schedules, time for reading respondents' answers, and whether the group is heterogeneous or homogeneous.</p> Signup and view all the answers

In what field of study does a heterogeneous group typically require a larger sample size?

<p>Social sciences.</p> Signup and view all the answers

What is the recommended sample size range for a study involving the national government?

<p>1,000 to 1,500.</p> Signup and view all the answers

What is sampling in research?

<p>Sampling in research refers to the method or process of selecting people to answer questions meant to yield data for a research study.</p> Signup and view all the answers

What is a population in the context of sampling?

<p>Population refers to the larger group from which a sample is chosen.</p> Signup and view all the answers

What is a sampling frame?

<p>A sampling frame is the list of members of a population from which the sample is chosen.</p> Signup and view all the answers

When did the beginning of sampling in research trace back to?

<p>The beginning of sampling in research can be traced back to the early political activities of Americans in 1920.</p> Signup and view all the answers

What are the two classes into which sampling strategies are categorized?

<p>Sampling strategies are categorized into probability sampling (unbiased sampling) and non-probability sampling.</p> Signup and view all the answers

What does probability sampling involve?

<p>Probability sampling involves all members listed in the sampling frame representing a certain population.</p> Signup and view all the answers

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