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How would a nurse researcher ensure that the sample used in a quantitative study is homogenous?
How would a nurse researcher ensure that the sample used in quantitative study is homogeneous? 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 researcher's use of a homogenous population of subjects in a research study weaken that 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.)
Why should a nurse researcher want to limit or eliminate extraneous variables in a study quizlet?
Excluding extraneous variables frequently limits a study's generalizability to a larger population. This is often necessary in order to have meaningful, unambiguous study outcomes. If the researcher believes that an extraneous variable is important to the outcome, it should be included in the design.
How can the nurse researcher most accurately determine sample size?
A major factor determining sample size is the type of design used. A nurse researcher can most accurately use the technique of power analysis: to estimate sample size.