Exam 10: Sampling in Quantitative, Qualitative, and Mixed Research

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Derek wants to make generalizations from the sample in his research study to a representative population. In order to do this he should use:

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When cases are chosen because they represent the average individual in a context, this is called:

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When a researcher uses a participant group primarily because of availability, this is called:

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If you have a representative sample, then you can make statements about the general population based on your sample data.

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A researcher has developed a new mathematics program and wants to study how it is implemented. She is particularly interested in how those most resistant to change will use the program. Hence, she selects two teachers who are known to have very little interest in changing their mathematics teaching. In this case, the researcher has used:

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What procedure is used to form groups that are similar on all possible dimensions at the beginning of an experiment?

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Which of the following statements is true?

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Compare and contrast random selection and random assignment.

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Which type of stratified sampling is an equal probability of selection method?

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Explain the difference between a sample and a census.

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A sample is:

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A major disadvantage of convenience sampling is that:

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Sample is to population as:

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When a qualitative researcher uses more than one sampling technique, this is called:

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In general, as sample size increases, sampling error does what?

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A general rule of thumb is that your sample should always be 10% of the size of the population

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Explain the characteristics of one-stage and two-stage cluster sampling.

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The population size divided by the desired sample size is known as the:

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A researcher wants to study how children acquire a particular strategy to solve word problems. He chooses participants by screening children to determine if they already know the strategy. He chooses only those who have not learned the strategy yet. What sampling method did this researcher use?

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When one selects a wide range of cases in a qualitative study, this is called:

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