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Chapter 4

multiple choice questions for Objective 7

multiple choice questions for Objective 7

This activity contains 10 questions.

	When Dr. Miller selects a small number of individuals for a study in such a way that the chosen individuals will be able to help her understand the phenomenon under investigation, she is using   Quantitative sampling Random sampling Qualitative sampling All of these

	Which of the following characteristics suggests using a qualitative sampling technique?   The intense level of interaction between the research and participants The desired depth of information required to understand the phenomenon of interest The long timeframe for conducting the research All of these

	Which type of sampling strategy is exemplified by selecting two types of individuals—those who are extremely happy and those who are extremely sad.   Snowball Intensity Homogeneous Purposive

	Which sampling technique is Coach Long using when he selects only all-star baseball players for his sample?   Snowball Intensity Criterion Quota

	Which sampling technique is Dr. Shealy using when he selects only students who have been held back one or more years?   Snowball Intensity Criterion Quota

	Which sampling technique is Dr. Alexander using when he uses the advice of several participants to contact others who might participate in his study?   Snowball Intensity Criterion Quota

	Which type of sampling strategy is exemplified by selecting specific principals because faculty and colleagues believe them to be highly effective?   Intensity Homogeneous Snowballing Quota

	Which sampling procedure is Dr. Helms using when he randomly selects 15 of the 25 subjects identified through purposive sampling?   Snowball Homogeneous Intensity Random purposive

	Which of the following characteristics clearly differentiates probability and purposive sampling?   Sample sizes are typically the same. Probability sampling starts with a defined population and selects a sample from it, while non-probability sampling starts with a sample and defines the population relative to the characteristic of that sample. Probability sampling makes it difficult to generalize from the sample to populations, while non-probability sampling makes it easy to do so. More than one technique can be used to select a sample with either approach.

	Ms. Landry has begun to hear the same things from each additional participant she interviews. What would you advise her to do in terms of her sample size?   Stop sampling Select a few more participants Select at least 10 more participants Continue to sample until her quota is reached

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