NUFT 442-CH8-Gathering-Evidence-For-Public- Health-Practice Test Questions with 100% Correct Verified Solutions
The nurse reviews published research studies on the number of heart clients who are actively involved in exercise programs following a heart attack in preparation of conducting similar research. Using knowledge of research validity, which threat to external validity must be considered? A) Loss of a subject due to a second heart attack B) Selection of a subject who does not meet the eligibility criteria for the study C) A subject pedaling faster on the stationary bicycle whenever an examiner walks in the room D) An unexpected increase in a subject's appetite that could affect the study ANSWER: C
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ch8 gathering evidence for public health
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