Author Question: Control groups are typically used to address threats to a) External validity b) Ecological ... (Read 56 times)

segrsyd

  • Hero Member
  • *****
  • Posts: 530
Control groups are typically used to address threats to
 
  a) External validity
  b) Ecological validity
  c) Construct validity
  d) Internal validity

Question 2

Ceiling and floor effects refer to
 
  a) The minimum and maximum goals of treatment
  b) Limits to the amount of change possible
  c) Top and bottom scoring participants
  d) A measure with a range of possible scores that is too great to detect an effect



karmakat49

  • Sr. Member
  • ****
  • Posts: 369
Answer to Question 1

Correct Answer: d

Answer to Question 2

Correct Answer: b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

For a complete list of videos, visit our video library