Author Question: Which of the following is not possible in ex post facto research? a. Measurement b. Observation ... (Read 45 times)

drink

  • Hero Member
  • *****
  • Posts: 554
Which of the following is not possible in ex post facto research?
 
  a. Measurement
  b. Observation
  c. Random sampling
  d. Random assignment
  e. Selection

Question 2

Internal validity is not concerned with
 
  a. maturation
  b. generalization.
  c. experimental mortality.
  d. statistical regression.
  e. interaction of pretest and treatment.



parker125

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

For a complete list of videos, visit our video library