This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Failure to rule out ________ variables results in threats to ________ validity. A) confounding; ... (Read 57 times)

amal

  • Hero Member
  • *****
  • Posts: 572
on: Aug 4, 2018
Failure to rule out ________ variables results in threats to ________ validity.
 
  A) confounding; internal
  B) confounding; external
  C) dependent; internal
  D) dependent; external
 
  Fill in the blank with correct words.

Question 2

When it can be concluded that the independent variable alone brought about the observed changes in the dependent variable, a study can be said to be
 
  A) generally valid.
  B) externally valid.
  C) internally valid.
  D) statistically valid.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dominic

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C


amal

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Aug 4, 2018
TY


Dominic

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Aug 4, 2018
You're welcome


« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

(a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest (a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest
Chargaff's Rule Chargaff's Rule
Rule of Nines. A method for determining percentage of body burned. Each different colored section re Rule of Nines. A method for determining percentage of body burned. Each different colored section re
meds for heart failure meds for heart failure
Pathophysiology of heart failure Pathophysiology of heart failure
Pathophysiology of heart failure. Pathophysiology of heart failure.
Video: X chromosome inactivation in calico cats

For a complete list of videos, visit our video library