« previous next »

Author Question: The appropriate statistical test to evaluate the difference between the means of two groups formed ... (Read 69 times)

bobbysung

  • Hero Member
  • *****
  • Posts: 519
on: Jun 20, 2018
The appropriate statistical test to evaluate the difference between the means of two groups
  formed with random assignment is the
 
  A) two-way ANOVA for independent groups
  B) t test for independent samples
  C) factorial ANOVA for independent groups
  D) t test for correlated samples

Question 2

When a nonequivalent control group design is used, researchers run the risk that the groups were not equivalent at the beginning of the study. This is called
 
  a. maturation
  b. regression to the mean
  c. selection bias
  d. quasi-randomization
  e. pretest-posttest contamination


tuwy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Urease Test Urease Test
Clinical decision making for groups Clinical decision making for groups
Common Physical and Mental Health Problems of Different Cultural Groups Common Physical and Mental Health Problems of Different Cultural Groups
Positive ring precipitin test. Positive ring precipitin test.
Different Rickettsial Groups, Diseases, and Geographical Locations Different Rickettsial Groups, Diseases, and Geographical Locations
Carbonyl groups reaction type Carbonyl groups reaction type
Video: Dietary Cholesterol & LDL

For a complete list of videos, visit our video library