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

Author Question: If we test the mean amount that alcoholic subjects drink before and after therapy, and that ... (Read 58 times)

pepyto

  • Hero Member
  • *****
  • Posts: 547
If we test the mean amount that alcoholic subjects drink before and after therapy, and that difference is NOT statistically significant, this could mean
 
  a. the therapy was not effective.
  b. the sample size was too large.
  c. the study lacked sufficient power.
  d. a and c

Question 2

We are evaluating a method of therapy for extremely underweight adolescent girls. If we weighed our subjects at the beginning and end of therapy, a difference in weight could mean
 
  a. that our therapy worked.
  b. that people gain weight over time regardless of what we do.
  c. that our scales changed due to repeated use.
  d. all of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peter

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

D

Answer to Question 2

D




pepyto

  • Member
  • Posts: 547
Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review


okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

For a complete list of videos, visit our video library