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 A nurse researcher assigns participants to experimental and control groups in such a manner that each participant in a population has an equal chance of being selected.What is the researcher using? Free Multiple Choice Which of the following aspect of the study is considered a measure to maintain the uniformity of conditions of a quantitative study? Free Multiple Choice How could a nurse researcher's use of a homogeneous sample weaken a research study? Free Multiple Choice A nurse researcher is investigating the effect of type of operating room mattress and surgical position on tissue interface pressures in healthy young adults.Which component of research is most affected by the choice of participants? Multiple Choice For which of these reasons would a nurse researcher choose to assign participants randomly to groups in a study? Multiple Choice A nurse is designing a study to determine whether a videotape or a written pamphlet is more effective in teaching young women how to perform breast self-examination (BSE).Which of these actions would provide the best control for a mediating variable? Multiple Choice A nurse researcher assigns half a study sample to an experimental group and the other half to a control group.What does this action represent? Multiple Choice When should a nurse researcher include an extraneous variable as part of a study's design? Multiple Choice Which of these situations describes a reactive (Hawthorne)effect? Multiple Choice The issue of control would be less important in a quantitative study with which type of research design? Multiple Choice A study is examining the effect of a new antilipemic drug,compared with placebo,on lipoprotein levels in postmenopausal women.Which of these actions represents the researcher's attempt at constancy in data collection to control extraneous variables? Multiple Choice What is the overall purpose of research design in a quantitative research study? Multiple Choice How would a nurse researcher ensure that the sample used in a quantitative study is homogeneous? Multiple Choice Which situation represents a threat to internal validity in an experimental study measuring the effect of a videotape of discharge instructions for patients who underwent coronary artery bypass graft (CABG)surgery? Multiple Choice Why should a nurse researcher want to limit or eliminate extraneous variables in a study? Multiple Choice When reviewing a research report,the nurse determines that all aspects of a study systematically and logically follow from the research problem.Which condition has been met? Multiple Choice A nurse researcher should consider mortality a threat to the study's internal validity for which of these reasons? Multiple Choice In which of these ways does the nurse researcher's literature review help select the appropriate study design? Multiple Choice The nurse researcher designed a study examining anxiety among elementary school children.If a widely publicized murder of a child occurred in the city during the time frame of the study,what type of threat to internal validity would the murder represent? Multiple Choice A nurse researcher can control for selection bias in a study by taking which of these actions? Multiple Choice How could a nurse researcher's use of a homogenous sample actually weaken a research study?Use eligibility criteria to limit extraneous variables relevant to the study. How can a nurse researchers use of a homogeneous sample weaken a research study? By decreasing the generalizability of the findings.
How could a homogeneous sample weaken a study?9. How could a nurse researcher's use of a homogeneous sample weaken a research study? B (Homogeneity of a sample can decrease the generalizability of the findings to other populations.)
How would a nurse researcher ensure that the sample used in a quantitative study is homogeneous quizlet?How would a nurse researcher ensure that the sample used in a quantitative study is homogeneous? A. Use eligibility criteria to limit extraneous variables relevant to the study.
How should a nurse researcher expect a sample to differ from a population?How should a nurse researcher expect a sample to differ from a population? a. A sample can mean objects or events, whereas population refers to individuals or groups of people.
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How could a nurse researchers use of a homogeneous sample weaken a research study?
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