« previous next »

Author Question: Control groups are typically used to address threats to a) External validity b) Ecological ... (Read 54 times)

segrsyd

  • Hero Member
  • *****
  • Posts: 530
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
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
« previous next »
 

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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.

Control of Extinction Control of Extinction
Functional Groups of Vitamin C Functional Groups of Vitamin C
Internal and External Loci of Control Internal and External Loci of Control
Major groups of forest biomes Major groups of forest biomes
Blood Groups and Blood Types Blood Groups and Blood Types
Control of flower formation, as revealed by mutations in Arabidopsis thaliana. Control of flower formation, as revealed by mutations in Arabidopsis thaliana.
Video: Cerebral Cortex Animation

For a complete list of videos, visit our video library