A nurse researcher is designing an experiment. The nurse is aware that participants in the experimental group serve what function?
a. They receive a placebo.
b. They receive the treatment.
c. They provide a baseline for data measurement.
d. None of the above are true.
ANS: B
The experimental design uses different groups of subjects (i.e., some groups who receive treatment and control groups who receive no treatment, an alternative treatment, or a combination of both), and assigns subjects randomly to treatment or control groups. Treatment groups and control groups do not differ in terms of baseline characteristics or demographics.
You might also like to view...
Which of the following can be found in both the Health Belief Model (HBM) and Pender's Health Promotion Model? (Select all that apply.)
a. Cues to action b. Demographics c. Perceived barriers d. Perceived benefits e. Perceived severity f. Perceived susceptibility
When reading Peplau's theory, a nurse was unable to determine the relationships among concepts. The nurse listed each concept and drew lines denoting relationships to be able to understand the effect of each element. The nurse created a:
a. hypothesis. b. model. c. construct. d. variable.
It is important to inform clients that dietary supplements are:
1. Closely regulated by the FDA. 2. Not evaluated by the FDA prior to sale. 3. Marketed under the umbrella of natural drugs. 4. Allowed to claim to cure or treat conditions.
Which diagnostic test will be most useful to the nurse in determining whether a patient admitted with acute shortness of breath has heart failure?
a. Serum troponin b. Arterial blood gases c. B-type natriuretic peptide d. 12-lead electrocardiogram