Author Question: In actual practice, the usual reason for determining power before conducting a study is A) to ... (Read 75 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
In actual practice, the usual reason for determining power before conducting a study is
 
  A) to eliminate the possibility that a mistake may occur.
  B) to ensure that regardless of whether the research hypothesis is true, the experiment will yield a significant result.
  C) to determine the number of participants needed to have a reasonable level of power.
  D) to anticipate the likelihood that the experiment will need to be repeated.

Question 2

If two distributions have the same mean, then they must also have the same
 
  a. median
  b. mode
  c. standard deviation
  d. none of these



l.stuut

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

C

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

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

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library