Author Question: The inclusion of a control group a) always makes a study internally valid. b) is part of the ... (Read 70 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
The inclusion of a control group
 
  a) always makes a study internally valid.
  b) is part of the criteria for a design to be considered an experiment.
  c) can never be done ethically when examining the effectiveness of therapy.
  d) all of the above.

Question 2

Which of these persons is a member of a cohort that has a higher than average risk of developing depression?
 
  a) Bob who was born in 1975
   b) Steve who fought in World War II
   c) Frank who earned a doctoral degree in 1940
   d) Dan who is the oldest member of the plumber's union



fdliggud

  • Sr. Member
  • ****
  • Posts: 366
Answer to Question 1

b

Answer to Question 2

Muchas Gracias :)



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

For a complete list of videos, visit our video library