When designing a research study, the nurse should have which of these understandings about independent and dependent variables?
a. All research problem statements should contain a dependent and an independent variable.
b. There should only be one dependent variable associated with a single independent variable.
c. The relationship between the independent and the dependent variable in any study should be causal.
d. A given characteristic or situation may be the dependent variable in one study and the independent variable in another.
Question 2
A nurse's research question is, How does maternal employment among health care professionals affect infant health during the first 6 months of life? In this question, what is the dependent variable?
a. Infant health
b. Maternal employment
c. First 6 months of life
d. Health care professionals