Your team is conducting a research study in which "gender" is the property of interest. The variable "gender" is associated with which scale of measurement?
a. Nominal
b. Ordinal
c. Ratio
d. Interval
2. You are examining the lengths of stay for patients in the ER. This involves a quality improvement concern. The variable "length of stay" is considered which scale of measurement?
a. Nominal
b. Ordinal
c. Ratio
d. Interval
3. You are conducting research on pressure ulcers of patients received in the hospital ER from nursing homes. You desire to classify the pressure ulcers by severity: First stage, second stage, third stage, and fourth stage. The variable "Pressure ulcers by severity" would be which of the following scale of measurement?
a. Nominal
b. Ordinal
c. Ratio
d. Interval
4. "Pressure ulcers by severity" is an example of which of the following types of variables?
a. Continuous
b. Discrete
c. Interval
d. Ratio
5. What measure would a person's religious affiliation be?
a. Nominal
b. Ordinal
c. Ratio
d. Interval
For Questions 6 through 8, refer to the following case: You are conducting research using a five-point Likert-type scale that measures the satisfaction of patients after a visit to the services provided by the ER nurses. On the scale, 1= strongly disagree (SD) and 5 = strongly agree (SA).
6. For your research, you have decided to review the average of the scores for each statement. In this situation, you will be treating the data as falling upon which of the following scales of measurement?
a. Nominal
b. Ordinal
c. Ratio
d. Interval
7. Which of the following variables would be considered "continuous"?
a. Age
b. Gender
c. Religion
d. Principal diagnosis code
8. Which of the following variables would be considered "discrete"?
a. Age upon admission
b. Patient length of stay
c. DRG assignment upon discharge
d. Time spent in the emergency room