A researcher records the weight of subjects in a study as: (1) normal for height. (2) overweight for height. (3) underweight for height. A nominal level of measurement is used. Which of the following levels of measurement could also be used?
a. Categorical
b. Interval
c. Ordinal
d. Ratio
ANS: C
The categories could also be rank ordered as (1) underweight, (2) normal, and (3) overweight.
"Categorical" is not a level of measurement.
Interval cannot be used because there are no numerical divisions.
This could not be ratio data because there is no true zero represented in the categories.
You might also like to view...
During an assessment, the nurse notes that the patient's apical impulse is laterally displaced and is palpable over a wide area. This finding indicates:
a. Systemic hypertension. b. Pulmonic hypertension. c. Pressure overload, as in aortic stenosis. d. Volume overload, as in heart failure.
A nurse is caring for four clients. Which client is most likely to have continuous amnesia?
A) A client who has no memory of his entire lifetime, including his personal identity. B) A client who knows that her mother beat her as a child but cannot remember the details of any of the beatings. C) A client who was driving the car in which her best friend was killed but cannot recall the accident or events since the accident. D) A client whose home was destroyed in a tornado but only remembers hearing the tornado hit, the ambulance siren, and waking up in the hospital.
Which condition is an adverse effect of a beta-adrenergic agonist?
1. Bradycardia 2. Constipation 3. Tachycardia 4. Runny nose
The nurse is helping to prepare a patient for a renal biopsy. What position should the nurse help the patient assume?
a. Sims' b. Fowler's c. Supine d. Prone