Ways by which a researcher can control extraneous variables in a correlational study include all of the following except:
A) Using a homogeneous sample
B) Using analysis of covariance
C) Matching subjects
D) Randomizing subjects to groups
D
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Which of the following is an eating disorder characterized by voluntary refusal to eat?
a. Anorexia nervosa b. Bulimia nervosa c. Malnutrition d. Pica
The nurse is administering a tuberculin skin test for a client. What is the nurse's understanding of the hypersensitivity response associated with this test? Select all that apply.
A) The test causes a release of lymphokines, which attract macrophages. B) Macrophages release lysozymes, resulting in local tissue damage. C) The antigen-presenting cell encounters a cytotoxic T-cell. D) Antigens invade the body and bind to antibodies in circulation. E) Antigen-antibody complexes activate complement.
The nurse reviewing the records of a client diagnosed with hypertension notes a weight of 200 lbs, height 5' 4", dietary intake includes primarily starches, an alcohol intake of three beers per week, and stressors include 60-hour workweeks. Based on this information, which should the nurse identify as a priority outcome?
A. Patient will eliminate alcohol from the diet. B. Patient will decrease stress by limiting work to 40 hours/week. C. Patient will balance diet according to the food pyramid. D. Patient will achieve and maintain optimum weight.
A patient has an estimated blood loss of 2 L and a mean arterial pressure ranging between 30 and 40 mmHg. If this patient's hemodynamic status is not corrected, what should the nurse realize can occur?
A. Failure of sodium-potassium pump B. Metabolic alkalosis C. Cells shrinking D. Full and bounding peripheral pulses