HSS2381- Homework Questions Exam
With Complete Answers
A researcher asks hospitalized individuals about their comfort in a new type of hospital
gown. This is an example of what type of data?
a. ratio
b. independent
c. quantitative
d. qualitative - ANSWER d. qualitative
If a researcher is examining how exposure to cigarette ads affects smoking behavior,
the cigarette ads are what type of variable?
a. qualitative
b. quantitative
c. dependent
d. independent - ANSWER d.independent
A nurse practitioner measures how many times per minute a heart beats when an
individual is at rest versus when running. She is measuring the heartbeat at what level
of measurement?
a. interval/ratio
b. nominal
c. independent
d. ordinal - ANSWER a. interval/ratio
If a researcher is examining how exposure to cigarette ads affects smoking behavior,
smoking behavior is what type of variable?
a. ratio
b. independent
c. dependent
d. nominal - ANSWER c. dependent
, The research nurse is coding adults according to size. A person with a below-average
body mass index (BMI) is coded as 1, average is 2, and above average is 3. What level
of measurement is this?
a. nominal
b. ratio
c. ordinal
d. interval - ANSWER c. ordinal
You are asked to design a study measuring how nutritional status is related to serum
lead levels in children. You assess calcium and fat intake, as well as serum lead levels
in a sample of 30 children who are 2 years old. Lead levels are measured in
micrograms per deciliter (mcg/dL). One child had a lead level of 17 mcg/dL. This is an
example of what type of variable?
a. quantitative
b. qualitative
c. independent
d. nominal - ANSWER a. quantitative
You are asked to design a study to examine the relationship between preoperative
blood pressure and postoperative hematocrit.
7. What is your independent variable?
8. What is your dependent variable?
9. How will you measure each, and what level of measurement is this? - ANSWER 7.
independent: preoperative blood pressure
8. dependent: postoperative hematocrit (outcome)
9. Answers may vary: actual blood pressure ratio, lab reported hematocrit ratio, and so
You are later asked to do a follow-up study to see whether requiring an intraoperative
blood transfusion had an impact on postoperative rates of poor mental health,
specifically depression.
10. What is your independent variable?
11. What is your dependent variable?
12. How will you measure these variables, and why?
13. Is your dependent variable measured at the highest level? If not, why not? -
ANSWER note: postoperative means afterwards
intraoperative:
occurring or performed during the course of a surgical operation.
10. independent: intraoperative blood transfusion
With Complete Answers
A researcher asks hospitalized individuals about their comfort in a new type of hospital
gown. This is an example of what type of data?
a. ratio
b. independent
c. quantitative
d. qualitative - ANSWER d. qualitative
If a researcher is examining how exposure to cigarette ads affects smoking behavior,
the cigarette ads are what type of variable?
a. qualitative
b. quantitative
c. dependent
d. independent - ANSWER d.independent
A nurse practitioner measures how many times per minute a heart beats when an
individual is at rest versus when running. She is measuring the heartbeat at what level
of measurement?
a. interval/ratio
b. nominal
c. independent
d. ordinal - ANSWER a. interval/ratio
If a researcher is examining how exposure to cigarette ads affects smoking behavior,
smoking behavior is what type of variable?
a. ratio
b. independent
c. dependent
d. nominal - ANSWER c. dependent
, The research nurse is coding adults according to size. A person with a below-average
body mass index (BMI) is coded as 1, average is 2, and above average is 3. What level
of measurement is this?
a. nominal
b. ratio
c. ordinal
d. interval - ANSWER c. ordinal
You are asked to design a study measuring how nutritional status is related to serum
lead levels in children. You assess calcium and fat intake, as well as serum lead levels
in a sample of 30 children who are 2 years old. Lead levels are measured in
micrograms per deciliter (mcg/dL). One child had a lead level of 17 mcg/dL. This is an
example of what type of variable?
a. quantitative
b. qualitative
c. independent
d. nominal - ANSWER a. quantitative
You are asked to design a study to examine the relationship between preoperative
blood pressure and postoperative hematocrit.
7. What is your independent variable?
8. What is your dependent variable?
9. How will you measure each, and what level of measurement is this? - ANSWER 7.
independent: preoperative blood pressure
8. dependent: postoperative hematocrit (outcome)
9. Answers may vary: actual blood pressure ratio, lab reported hematocrit ratio, and so
You are later asked to do a follow-up study to see whether requiring an intraoperative
blood transfusion had an impact on postoperative rates of poor mental health,
specifically depression.
10. What is your independent variable?
11. What is your dependent variable?
12. How will you measure these variables, and why?
13. Is your dependent variable measured at the highest level? If not, why not? -
ANSWER note: postoperative means afterwards
intraoperative:
occurring or performed during the course of a surgical operation.
10. independent: intraoperative blood transfusion
