Which of the following are the research variables in this study? (Select all that apply.)
a. Patient age
b. Verbal skills
c. Homelessness
d. Parental presence
e. Fear of separation from parents
f. Whether or not a child is homeless
g. Length of hospital stay
ANS: B, E, G
Research variables or concepts are the qualities, properties, or characteristics that are measured in qualitative studies and selected quantitative studies. Concrete concepts, such as temperature, weight, and blood pressure, are referred to as variables in a study; abstract concepts, such as creativity, empathy, and social support, are sometimes referred to as research concepts.
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