What statistical test would you use to simultaneously test the difference between temperatures of four groups of subjects?
a. ANOVA
b. Chi-square
c. t-test for dependent samples
d. t-test for independent samples
ANS: A
Analysis of variance is used to test for difference between means and can examine data from two or more groups simultaneously.
Chi-square determines whether two variables are independent or related.
t-tests should not be used for multiple groups simultaneously.
t-tests should not be used for multiple groups simultaneously.
You might also like to view...
The nurse researcher has opted to use grounded theory as the research method. Compared with phenomenologic research, which data-gathering technique is unique to grounded theory research?
a. Face-to-face interviews b. Tape-recorded interviews c. Participant-written responses to written questions d. Skilled observation of individuals in a social setting
A positive outcome of the client goal, "client will verbalize decrease in peripheral discomfort (intermittent claudication)" would be that the client:
a. verbalizes his medication regime related to use of peripheral vasodilators. b. does not experience injury related to side effects of peripheral vasodilators. c. verbalizes that he is able to walk around the block without leg pain. d. reports episodes of anginal pain to the health care provider.
Excessive juice intake may be a problem for young children because
a. high potassium intakes may be harmful. b. it may displace more nutrient-dense foods. c. excessive fluid intake may cause kidney damage. d. fruit juice contains substances that may be addictive.
If a patient has had a large portion of their small intestine removed because of cancer and is unable to maintain a stable weight, a feeding regimen that would be most appropriate is
a. enteral feedings into the stomach. b. enteral feedings into the jejunum. c. parenteral nutrition only. d. supplemental parenteral nutrition.