Author Question: Which of the following is NOT a technique for creating equivalent comparisons between groups and/or ... (Read 87 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
Which of the following is NOT a technique for creating equivalent comparisons between groups and/or conditions in experiments?
 
  a. obtaining a baseline.
  b. matching.
  c. randomization.
  d. using multiple dependent variables.

Question 2

An uncontrolled extraneous variable is
 
  a. a confound
 b. internally valid
 c. externally valid
 d. a subject variable.



Dinolord

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

D

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

For a complete list of videos, visit our video library