5366_week 3 quiz .docx - Review Test Submission Module 3 Quiz Content Question 1 To improve consistency in data collection the researcher should Answers

5366_week 3 quiz .docx - Review Test Submission Module 3...

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Review Test Submission: Module 3 Quiz ContentQuestion 1 To improve consistency in data collection the researcher should:Answers: a. recruit subjects who are of the same gender and age group.b. ensure that the same member of the research team distributes blood pressurelogs to subjects.c. request that subjects record their blood pressure at the same time each day.Response Feedback:p.508Question 2
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A researcher evaluates scores of a paper and pencil instrument with variables atthe interval level of data using the Cronbach’s alpha coefficient statistical procedure. This is a test of:Answers: a. internal consistency reliabilityb. interrater reliabilityc. test-retest reliabilityd. alternate forms reliabilityResponse Feedback:page 373Question 3 Which of the following is NOT a physiological measures? Answers: a. Score on the Mini Mental Status Examb. Serum sodiumc.
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A subject’s report of episodes of tachycardia per dayd. Use of a tuning fork to measure bone conduction hearing lossResponse Feedback: Physiological measures include two categories, biophysical and biochemical measures. For example, biophysical measures might includethe use of the stethoscope and sphygmomanometer to measure blood pressure and a biochemical measure might include the laboratory value for total cholesterol. Self-report has been used effectively to obtain physiological information and may be particularly useful when the subjects are not in closely monitored settings such as hospitals, clinics, orresearch facilities. For some variables, self-report may be the only meansof obtaining the information. Such may be the case when study participants experience a physiological phenomenon that cannot be observed or measured by others.p. 394Question 4 Why are convenience samples used so frequently in nursing research, when a random sample would allow for greater generalizability?Answers: a. Cluster sampling is is inexpensive and time consuming.b. Ordered lists of of all member of a patient populations are often available.c. Nurses are limited to the populations they serve; many populations are small and difficult to access.
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d. There is less opportunity for systematic bias.Response Feedback:p. 343Question 5 A researcher develops a 7-point Likert scale to evaluate feelings of well-being inpatients who are undergoing chemotherapy. The researcher administers this measure to other, similar patients in several medical centers. This is done in order to:Answers: a. increase interrater reliabilityb. strengthen the operational definition of the constructsc. improve the test-retest reliabilityd.
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  • Fall '16
  • Denise Cauble
  • Nursing, researcher

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