Why Should a Nurse Researcher Attempt to Clearly Specify Exclusion

question 7

Multiple Choice

Why should a nurse researcher attempt to clearly specify exclusion criteria for a study sample?

• A) To limit the time needed to complete the study
• B) To reduce the effect of extraneous variables on the accurate evaluation of the outcome variable
• C) To eliminate the outside influences and inferences regarding the effectiveness of a behavioral intervention
• D) To ensure that an adequate sample size is accrued to meet assumptions for accurate statistical analysis

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