Author Question: If you conducted a multi-group study, you might want to see which groups differ from one another ... (Read 26 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
If you conducted a multi-group study, you might want to see which groups differ from one another significantly. If you know in advance of your analysis which groups you want to compare, what test would you use?
 
  a. Multiple t-tests
  b. Post hoc comparisons.
  c. Planned comparisons.
  d. Repeated measures tests.

Question 2

When a researcher wants to compare the means of groups in a multi-group study, the typical test is
 
  a. the correlation.
  b. the analysis of variance.
  c. the Student's t-test.
  d. logistic regression.



ansleighelindsey

  • Sr. Member
  • ****
  • Posts: 364
Answer to Question 1

c

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

For a complete list of videos, visit our video library