The dependent (outcome) variable in the research question, "Is the quality of life of nursing home residents affected by their functional ability or hearing acuity?" is which of the following?
A) Quality of life
B) Functional ability
C) Hearing acuity
D) Residence in a nursing home
A
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The dependent (or outcome) variable is the behavior, characteristic, or outcome the researcher is interested in explaining, predicting, or affecting (the "O" in the PICO scheme). Quality of life is the dependent variable. The independent variable is the presumed cause of or influence on the dependent variable. Independent variables are nursing home residents, functional ability, and hearing acuity. The independent variable corresponds to the "I" and the "C" components in the PICO scheme.
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