Kevin is a member of the Nursing Research Council of the hospital. His first assignment is to determine the level of patient satisfaction on the care they received from the hospital. He plans to include all adult patients admitted from April to May, with average length of stay of 3-4 days, first admission, and with no complications. Which of the following is an extraneous variable of the study?
An extraneous variable is not the primary concern of the researcher but has an effect on the results of the study. Adult patients may be young, middle or late adult.