Author Question: When extraneous variables influence and distort the relationship between the independent variable ... (Read 119 times)

rl

  • Hero Member
  • *****
  • Posts: 579
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
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
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

For a complete list of videos, visit our video library