In an experimental research study, the primary goal is to isolate and identify the effect produced by the:
A. dependent variable.
B. extraneous variable.
C. confounding variable.
D. independent variable.
ANS: D
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Which of the following therapeutic measures would be the most effective in treating hypoxemia in the presence of intrapulmonary shunting associated with ARDS?
a. Sedating the patient to blunt noxious stimuli b. Increasing the FiO2 on the ventilator c. Administering positive-end expiratory pressure (PEEP) d. Restricting fluids to 500 mL per shift
Which type of bias occurs when the dependent variable is influenced by changes made in the way variables are measured?
a. Threat of history b. Threat of instrumentation c. Threat of maturation d. Threat of selection bias
You have decided to use the health belief model for your well-elder clinic "walking program." The walk is to begin each day at 8 PM and each day a different elder is to start a phone tree to remind all to attend
You inform the clients in the clinic that walking will improve their overall health and well-being. Two elders show up the first night and none the second. What information would you gather to explain the failure of the program? (select all that apply) A) The severity of the physical challenge related to the client population B) What stands in the way of taking action toward the goal of health promotion C) The presence or absence of cues needed for the program to achieve success D) The presence or absence of a strong team leader among the elders E) The need to increase persuasion when implementing the program
A college student received an invitation to attend the wedding of a close friend who lives across the country. The student is afraid of flying. Which type of therapy would be most helpful for this patient?
a. Psychoanalysis b. Milieu therapy c. Systematic desensitization d. Short-term dynamic therapy