« previous next »

Author Question: A confound is something that a) decreases sample size. b) increases internal validity. c) makes ... (Read 60 times)

vicky

  • Hero Member
  • *****
  • Posts: 586
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

d

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Exercise increases the heart rate. Exercise increases the heart rate.
Sample Exercise Prescription for Weight Training: Intermediate Sample Exercise Prescription for Weight Training: Intermediate
Sample Exercise Program for Limited Older Adults (cont.) Sample Exercise Program for Limited Older Adults (cont.)
Suture Use, Size, and Type of Material Suture Use, Size, and Type of Material
Most PCV valves used on newer vehicles are secured with fasteners, which makes it more difficult ... Most PCV valves used on newer vehicles are secured with fasteners, which makes it more difficult ...
(left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur (left) Urine sample from an unaffected person does not change color upon exposure to air. (right) Ur
Video: Autonomic Nervous System Animation

For a complete list of videos, visit our video library