Nur 641 MidTerm Exam 2024 With Complete Solution graded A, Exams of Nursing

Download Nur 641 MidTerm Exam 2024 With Complete Solution graded A and more Exams Nursing in PDF only on Docsity! Nur 641 MidTerm Exam 2024 With Complete Solution graded A 1. The strength of association between two variables is indicated by which statistical method? a. Correlation coefficient b. Cronbach's alpha c. Dichotomous measurement d. Histogram A correlation coefficient 2. What does a p-value of 0.08 mean? a. There are 8 chances in 100 that the finding is true b. There are 8 chances in 100 that the finding is a chance variation c. There are 8 chances in 10 that the finding is true d. There are 8 chances in 100 that the finding is biased B. 3. When one variable precedes the other in time and the correlation between them is high, which statement can be made with confidence? a. The variable that comes earliest in time causes the other variable b. There is a high level of association between the two variables c. The two variables have an association with an outcome variable d. There are no extraneous variables at work in the situation B 4. What does the statistic r2 represent? a. What would happen if the variable were present at twice the levels found b. The chances that the variables are perfectly correlated c. The proportion of variation in one variable that is accounted for by variation in the other variable, and vice versa d. What the correlation coefficient would be if the sample size were twice as large C C 9. A nurse is reviewing results in a study measuring the correlation between pain and patients' activity level. The Pearson r of the association between the two variables is .66. What conclusions can the nurse make about the study results? a. The variables are related in the population. b. There is a high level of association between the two variables c. The measurement of study variables has high reliability. d. Pain reduces patients' activity B 10.n the exemplar study about depressive symptoms in patients with heart failure (Graven et al, 2014), which of the following significant relationships was found? a. Maladaptive problem solving and age were related b. Maladaptive problem solving and social support were related c. Heart failure symptoms and social support were related d. Depressive symptoms and heart failure symptoms were related D 1. Which definition best describes qualitative ethnographic research? a. A group of research methods aimed at capturing social process, personal experiences, perceptions, and the working of subcultures. b. Research conducted using phenomenological methods. c. Research conducted by novice researchers to develop basic research skills. d. Studies that are of very high quality. A 11.Which of the following statements is not true? a. In grounded theory research, data collection and data analysis are interspersed, not sequential. b. There are no standards for methods of collecting data and analyzing data to establish rigor. c. Ethnographic research produces a rich portrayal of the norms, values, and social rules of a health or healthcare subculture. d. Qualitative research produces rich and nuanced portrayals of the phenomenon being studies B 12.group of researchers are conducting a study with the aim of producing a middle-range theory about date rape in college students. What research methodology will accomplish this aim? a. Phenomenology b. Grounded theory c. Qualitative description d. Ethnography B 13. In qualitative research, data saturation occurs when: a. The researcher's notes fall in a puddle b. No new information is forthcoming and all major issues are understood -Randomizing participants to comparison groups -Technique to avoid Type I and Type II sampling errors -Involves identifying and selecting individuals or groups of individuals that are especially knowledgeable about or experienced with a phenomenon of interest Involves identifying and selecting individuals or groups of individuals that are especially knowledgeable about or experienced with a phenomenon of interest 18.Which of the following statements is true of the researcher using phenomenological methods? The researcher attempts to understand the person's lived experience The researcher is testing a theory with different participants Researchers do not feel the need the need to reflect on the effect of their personal preconceptions prior to and during data collection and analysis The researcher attempts to understand the person's lived experience 19.The research methodology of phenomenology is based in the roots of: Anthropology Sociology Philosophy Philosophy 20.You are conducting a phenomenological research study. Your research question is, "How do parents of an autistic child cope with the news that their child has autism?" Your sample size will likely be: National sample of 5000 parents Randomized 30-60 participants 6-12 participants 6-12 participants 21.Your technique of eliciting data in phenomenology will include: Returning your initial analysis to participants for validation (member checking) Asking participants for their theoretical preference for phenomenology, grounded theory or ethnography methodology. Reading a survey/questionnaire to the participants to eliminate any bias in the reading of the survey Stating there is no need to sign an informed consent form for qualitative research Returning your initial analysis to participants for validation (member checking) 22.What concern exists to a greater extent in quasi-experimental studies than in experimental studies? a. The Hawthorne effect b. Too small a sample size c. Low statistical power d. The influence of extraneous variables D 23. In the exemplar study about pain relief during intravenous cannula insertion in children (Canbulat, 2015), why did the researchers obtain a pre- procedure, self-report anxiety score? a. So they could compare it to the score after the procedure a. There is a high probability that in the population the two groups are truly different on the outcome b. There is a low probability that in the population the two groups are truly different c. The two groups had similar outcomes d. The probability of the outcome occurring is low A 27.What information does relative risk (RR) provide? a. Information about a group's baseline risk of an outcome b. Information about a group's risk in comparison to another group's risk c. Information about factors contributing to risk d. Information about family member's risk for a recessive genetic condition B 28.Why is a study is categorized as quasi-experimental (as opposed to being called an experimental study)? a. Because the researcher does not have a PhD b. Because the intervention was only partially tested c. Because the intervention and/or setting was not tightly controlled d. Because it was not possible to recruit participants from the population of interest C 29. Inconsistent delivery of either or both of the treatments has what effect on the results of the study? a. None, if the researcher corrects the inconsistency before the end of the study b. It could cause the study participants to be dissatisfied with their involvement in the study c. It could affect the inter-rater reliability of the outcome variable d. It could result in erroneous study conclusions D 30.What statement can be accurately said about missing data? a. The amount and pattern of missing data should be analyzed carefully b. It is a major concern at any level of occurrence c. When missing data occurs the case should be dropped from the study d. It is a concern when the level is above 5% A 31.What is the main goal of a two-group experimental study? a. To determine if the sample is representative of the population b. To determine if one intervention is more effective than the other c. To determine if either intervention is biased d. To determine if both interventions can be safely implemented in real settings B 32.The PICOTS format is most useful for focusing what kind of clinical question for an evidence-based practice project?