Author Question: An important reason for using random assignment in a study with independent groups is to a. ... (Read 58 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
An important reason for using random assignment in a study with independent groups is to
 
  a. prevent any systematic differences between groups on extraneous variables.
  b. be able to generalize to broader populations.
  c. rule out competing interpretations of any differences we find.
  d. a and c

Question 2

If we built on Doob and Gross's study of horn-honking behavior to compare the time it takes for people to honk at an older car versus the time to honk at an expensive newer car, we could set it up as
 
  a. an independent sample design.
  b. a repeated measures design.
  c. neither a nor b
  d. It could be designed either way, depending upon our needs.



lkanara2

  • Sr. Member
  • ****
  • Posts: 329
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?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

For a complete list of videos, visit our video library