Author Question: Two independent variables are confounded when a. they both vary in the study b. one varies and ... (Read 78 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
Two independent variables are confounded when
 
  a. they both vary in the study
  b. one varies and one does not
  c. their separate effects cannot be tested
  d. None of these are true

Question 2

Confounding is a threat to ________ validity
 
  a. internal
  b. external
  c. construct
  d. statistical



fromAlphatoOmega22

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

c

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library