Author Question: A confound is something that a) decreases sample size. b) increases internal validity. c) makes ... (Read 54 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
A confound is something that
 
  a) decreases sample size.
  b) increases internal validity.
  c) makes results clearer and easier to understand.
  d) obscures the relationship between two variables.

Question 2

What has been shown to be related to the changes in marijuana consumption among high school students?
 
  a) Social factors that foster marijuana use, such as joblessness or economic factors.
  b) Media images supporting cigarette smoking.
  c) Lowered purity of marijuana available in the market.
  d) Beliefs about the risks associated with marijuana smoking.



dlook33

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

d

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

For a complete list of videos, visit our video library