This topic contains a solution. Click here to go to the answer

Author Question: Failure to rule out ________ variables results in threats to ________ validity. A) confounding; ... (Read 114 times)

amal

  • Hero Member
  • *****
  • Posts: 572
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
Answer to Question 1

Answer: A

Answer to Question 2

Answer: C





 

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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).

For a complete list of videos, visit our video library