« previous next »

Author Question: When extraneous variables influence and distort the relationship between the independent variable ... (Read 77 times)

rl

  • Hero Member
  • *****
  • Posts: 579
on: Jul 8, 2018
When extraneous variables influence and distort the relationship between the independent variable (IV) and the dependent variable (DV) so that the findings do not reflect a true relationship between the IV and the DV, the result is
 
  a. voided.
  b. inconsistent.
  c. randomization.
  d. bias.

Question 2

A method of sampling in which all subjects in the sample have an equal chance of being assigned to either the treatment group or the control group is
 
  a. between-group design.
  b. within-group design.
  c. random assignment.
  d. random sampling.


smrtceo

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 8, 2018
Answer to Question 1

d. bias.

Answer to Question 2

c. random assignment.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Abiotic factors influence population densities. Abiotic factors influence population densities.
Meiosis Accounts for Independent Assortment of Alleles p2 Meiosis Accounts for Independent Assortment of Alleles p2
Relationship Between BMI and % BF Relationship Between BMI and % BF
5-4 The relationship between vapor pressure and temperature—in this case for water. As the ... 5-4 The relationship between vapor pressure and temperature—in this case for water. As the ...
Infant and Toddler Development and Responsive Program Planning: A Relationship-Based Approach Infant and Toddler Development and Responsive Program Planning: A Relationship-Based Approach
Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila Variable expressivity as shown in flies homozygous for the eyeless mutation in Drosophila
Video: How a Urinalysis is Performed

For a complete list of videos, visit our video library