Author Question: A control group a. is also known as a test group. b. in an experiment is not exposed to a ... (Read 78 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
A control group
 
  a. is also known as a test group.
  b. in an experiment is not exposed to a variable.
  c. is also known as a Hawthorne Effect group.
  d. Both A and B are true.

Question 2

A random sample is one in which
 
  a. each person in the population to be studied has an equal chance of being selected in the sample being studied.
  b. every person in the population to be studied is also included in the sample selected for study.
  c. patterns but not groups are present.
  d. sample members are asked closed questions.



Bigfoot1984

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

For a complete list of videos, visit our video library