SOLVED2278

Which situations are examples of confounding variables in a study? Select all that apply. During a clinical trial to test a new drug, one group gets the new medication and the second group gets sugar pills (a placebo). In a study on the effects of how weight is affected by eating one cookie a day over a six-month period, 5% of the participants got pregnant during the study. Participants in a study to identify cardiovascular risk factors in the Amish population all worked at a meatpacking plant in a small, rural town. Healthcare clinicians in a hospital take a survey as part of a research study to explore the effects of shift work on job satisfaction. Participants in a study exploring the impact of exercise on mobility in people over 75 years of age are offered a free membership to the YMCA as part of the study.
SCIENCE
HEALTH SCIENCE
NURSING

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