KEISER NUR4166 Week 3 Quiz Latest 2018 - €10,71   In winkelwagen

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KEISER NUR4166 Week 3 Quiz Latest 2018

Question Question 1 Which of the following statements is true regarding credibility of quantitative research studies? Answers: The results of statistical testing have direct meaning. Evaluating the credibility of a study typically involves a careful assessment of methodologic decisions. Support of a researcher's hypothesis through statistical testing offers proof of its veracity. A correlation between two variables indicates that the independent variable caused the dependent variable. Question 2 A parameter is a characteristic of which of the following? Answers: Population Frequency distribution Sample Normal curve Question 3 A survey question asks subjects to respond to the following statement: “The overall hospital experience that I received during my hospital stay considered my needs as an individual.” They were asked to identify, on a five-point scale, the degree to which they agreed or disagreed with the statement. This is an example of which type of scale? Answers: Social scale Likert scale Visual analog scale Differential scale Question 4 Which of the following is an example of a nominal measurement? Answers: Age in years Grams of carbohydrate intake Emotional intelligence quotients Hand dominance (right or left) Question 5 The purpose of evaluating the evidence that emanates from research articles is to do which of the following? Answers: Maintain licensure as a professional nurse Implement protocols already established in one's clinical area Improve one's clinical assessment skills Decide whether recommendations might be implemented Question 6 Statistically significant means which of the following? Answers: The study findings are important. The study results are meaningful. It is unlikely that the results are due to chance. The hypothesis has been proven. Question 7 Sampling may be defined as which of the following? Answers: Selection of an accessible population for a study Selection of a subset of a population to represent the entire population Assignment of study participants to treatment groups Technique for ensuring that every element in the population has an equal chance of being included in the study Question 8 Information about the precision of results typically is communication in the form of which of the following? Answers: Significance levels Effect size estimates Correlation coefficients Confidence intervals Question 9 _________________ is defined as the level of measurement that classifies and ranks people in terms of the degree to which they possess the attribute of interest. Answers: Nominal Ordinal Interval Ratio Question 10 Blood type is measured on which of the following scale? Answers: Nominal Ordinal Interval Ratio Question 11 Which of the following is an example of an ordinal measurement? Answers: Gender (male or female) Milligrams of a medication dosage Levels of education (associate's degree, bachelor's degree, master's degree) Score on the HESI preadmission or first year examination for nursing Question 12 Which of the following is an example of ratio measurement? Answers: Likert scale response to questions Twenty-four-hour oral cc intake Eye color (blue, brown, hazel, green) Ability to perform activities of daily living Question 13 Which correlation coefficient shows the strongest relationship between two variables? Answers: –0.821 –0.653 0 0.759 Question 14 Which of the following types of sampling is considered to be the weakest for quantitative studies? Answers: Convenience Quota Purposive Systematic Question 15 A researcher must select a sample that is representative of the population. Which of the following venues would be most practical for recruitment of patients with primary hypertension? Answers: Prenatal clinic High school clinic Primary care clinic Acute care hospital Question 16 When a researcher makes a Type II error (concludes that no relationship between the independent and dependent variable exists when in fact it does), this could occur because of which of the following? Select all that apply. Select all that apply Answers: An anomalous sample Unreliable data collection instruments Problems with adequately implementing the intervention A large sample size Question 17 The Results section of a research article summarizes results of which of the following? Answers: Study conclusions Statistical analyses Inferences Interpretation of study findings Question 18 A nurse is investigating the rate of immunization at a community-based clinic. Selection bias is most likely to be present in which of the following samples? Answers: Random sample of clients accessing an urgent care clinic Random sample of records of school clinic vaccination rates Convenience sample of mothers who bring children to clinic for vaccinations Convenience sample of high school students who have received required vaccinations Question 19 Which of the following is an example of a probability sampling method? Answers: Convenience sampling Systematic sampling Consecutive sampling Quota sampling Question 20 A nurse researcher conducted a study examining the effectiveness of an exercise intervention with overweight adults. There were 250 adults recruited from a primary care clinic. Only 82 subjects completed the study. The 82 subjects represent what type of sample? Answers: The target population The accessible population The recruited sample The actual sample

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