Author Question: What test would a nurse researcher use to test hypotheses about group differences in proportions? ... (Read 89 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
What test would a nurse researcher use to test hypotheses about group differences in proportions?
 
  A) t-test
  B) ANOVA
  C) Correlation coefficient
  D) Chi-square

Question 2

What is occurring when the nurse researcher assigns people to experimental and control groups at random to make the groups comparable at the outset?
 
  A) Control
  B) Counterfactual
  C) Randomization
  D) Manipulation



Carliemb17

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

For a complete list of videos, visit our video library