« previous next »

Author Question: Control groups are typically used to address threats to a) External validity b) Ecological ... (Read 17 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?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Hormonal control of insect development. Hormonal control of insect development.
The breast, cutaway view showing both internal and external features. The breast, cutaway view showing both internal and external features.
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
Common Physical and Mental Health Problems of Different Cultural Groups Common Physical and Mental Health Problems of Different Cultural Groups
Sympathetic control of adrenal gland. Sympathetic control of adrenal gland.
Control of blood glucose level. Control of blood glucose level.
Video: Digestion Animation

For a complete list of videos, visit our video library