BST 322 Week 1 Assignment Questions and Answers Independent and Dependent Variables Worksheet.
Week 1 Assignment BST 322
1
1. (1 pt) For each of the
... [Show More] following (a through d), indicate which is a variable and which is a constant:
a. The number of minutes in an hour. Constant
b. Systolic blood pressure. Variable
c. Freezing temperature of water in degrees Kelvin. Constant
d. Ratings of daily anxiety. Variable
2. (1 pt) For each of the following research questions, identify the independent variable and the dependent
variable within each case (a through d):
a. Does a person’s age affect psychological adjustment following burn injury?
b. How do physically handicapped children differ from nonhandicapped children with respect to health
concepts?
c. Do patients with a family support system in place have lower pain ratings than patients with no
family support system in place?
d. Is the intracranial pressure of comatose patients affected by acupuncture treatments?
3. (1 pt) For each of the variables listed below, indicate which is discrete and which is continuous:
a. Number of patients in an ICU ward continuous
b. Length of a chin implant discrete
c. Number of hospital beds in a step down facility discrete
d. Tidal volume, measured in mLs, of a patient recovering from surgery continuous
4. (2 pts) For each of the variables listed below, indicate whether the measure is nominal, ordinal, interval, or
ratio:
a. Degrees, on the Celsius scale interval
b. Student’s class rank ordinal
c. Ratings of a hospital based on care surveys ranked as “Poor, Fine, Good, Exceptional” ordinal
d. Survival 5 years out after surgery (yes/no) nominal
e. Average cholesterol level of a group of control patients in a study ratio
f. Settings of tick exposure for Lyme disease designated as “Woodland, Park, City, Suburb” nominal
g. HDL Cholesterol levels ratio
h. Faculty rank (Clinical Assistant Professor, Associate Professor, Full Professor) ordinal. [Show Less]