NURS 1351 Final Exam Questions and Complete Solutions
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NURS 1351
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NURS 1351
With of the following criteria must be met to infer causality a) The relationship between cause and effect must be measurable and reciprocal B) The relationship must not be explained baby any other variable C) The independent variable must change in response to manipulation of the dependent variabl...
NURS 1351 Final Exam Questions and Complet e Solutions With of the following criteria must be met to infer causality a) The relationship between cause and effect must be measurable and reciprocal B) The relationship must not be explained baby any other variable C) The independent variable must change in response to manipulation of the dependent variable D) The outcome must be logical, expected, and predictable ✅B Which of the following situations meets a criterion for inferring causality between performance of exercise and adaptation behaviour of women receiving chemotherapy for breast cancer? a) Adaptation behaviour began before the exercise program was initiated. B) Adaptive behaviour occurred in the control group over time. C) The level of adaptation behaviours increased proportionately with increase in the intensity of the exercise D) No differences in adaptation behaviours were observed between subjects in the experimental group and subjects in the control group. ✅C What is the term used to describe the experimental treatment initiated by the researcher? A) Independent Variable B) Dependent Variable C) Extraneous Variable D) Outcome variable ✅A By what specific criterion should you judge the results or findings of experimental research? A) The size of the experimental group compared with the size of the control group B) The validity that the experimental treatment caused the desired effect on the outcome C) The degree to which the research questions were congruent with the hypotheses and the purpose of the study D) The degree to which the researcher was able to apply the findings to clinical or practice settings ✅B Which of the following factors or characteristics is present only in an experimental design (and not in a quasiexperimental design)? A) Research question or hypothesis B) Experimental treatment C)Informed consent D) Randomization ✅D What aspect should be the primary consideration in critiquing the research report of an experimental study and determining the validity of the conclusions presented? A) How well the researcher controlled for extraneous variables B) The direction of the relationship between dependent and independent variables C) The credentials and previous experience of the researcher D) The number of persons involved in the data collection process ✅A How differently is the independent variable handled in studies with an experimental design or a quasiexperimental design? A) An independent variable is not identified or needed in a quasiexperimental design. B) Both designs identify an independent variable, and both manipulate the independent variable. C) Experimental designs demonstrate that the independent variable is related to the outcome, but quasiexperimental studies allow for independent variables that stand alone. D) Although both designs identify an independent variable, experimental designs identify it before the research is initiated, and quasiexperimental designs identify it after the data have been analyzed. ✅B Which of the following statements about random assignment or randomization is true? A) The randomization process decreases the influence of researcher bias but can increase the effect of systematic bias in a study. B) The randomization process decreases the influence of systematic bias but can increase the effect of researcher bias in a study. C) With randomization, each subject has an equal and known probability of being assigned to any group in a study. D) Randomization eliminates the need for informed consent. ✅C Why is randomization important in a study with an experimental design? A) It reduces the risk of the subject being harmed by participation in the study B) It ensures that the experimental group and the control group have the same number of participants. C) It allows the study to proceed without the researcher knowing the identity of the treatment group. D) It increases the likelihood that differences in the outcomes of the groups are not related to chance alone. ✅D What is the meaning of "control" in a study with an experimental design? A) The care taken to ensure maintenance of participant confidentiality B) The introduction of one or more constants into the experimental situation C) The ability of the researcher to prevent data collection from extending beyond the original time specified for the study D) The faithfulness of the researcher in the application of all the assumptions of the ✅B
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