« previous next »

Author Question: Control groups are typically used to address threats to a) External validity b) Ecological ... (Read 30 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?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Genetic control of flower symmetry. Genetic control of flower symmetry.
Rat's external anatomy Rat's external anatomy
Chickenpox rash. (Centers for Disease Control and Prevention [CDC]/Ann Cain) Chickenpox rash. (Centers for Disease Control and Prevention [CDC]/Ann Cain)
Vitamins Found Widely in the Food Groups Vitamins Found Widely in the Food Groups
Functional Groups of Carbon Functional Groups of Carbon
CDK1 and cyclin B control the transition from G2 to M phase CDK1 and cyclin B control the transition from G2 to M phase
Video: Cardiac Cycle (Part 3 of 4)

For a complete list of videos, visit our video library