« previous next »

Author Question: An important reason for using random assignment in a study with independent groups is to a. ... (Read 72 times)

jrubin

  • Hero Member
  • *****
  • Posts: 552
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 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?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Major Findings of the High Scope Preschool Study High Scope participants showed better academic per Major Findings of the High Scope Preschool Study High Scope participants showed better academic per
Ethnic Groups of Eastern North America, 1750 Ethnic Groups of Eastern North America, 1750
U.S. Racial-Ethnic Groups U.S. Racial-Ethnic Groups
The MyPlate icon reinforces important concepts of meal planning The MyPlate icon reinforces important concepts of meal planning
Animated! Organisms are classified into groups according to their characteristics Animated! Organisms are classified into groups according to their characteristics
Results of a genome-wide association study (GWAS) to detect SNPs Results of a genome-wide association study (GWAS) to detect SNPs
Video: Pericarditis

For a complete list of videos, visit our video library