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

Author Question: It is the purpose of what type of study to find out whether one or more explanatory variables are ... (Read 99 times)

mrsjacobs44

  • Hero Member
  • *****
  • Posts: 500
It is the purpose of what type of study to find out whether one or more explanatory variables are related to a certain disease (for example whether smoking causes lung cancer)?
 a. Case-control study
  b. Matched-pairs experiment
  c. Block design
  d. None of the above

Question 2

Which of the following is not a type of observational study?
 a. Case-control study
  b. Retrospective study
  c. Prospective study
  d. Introspective study



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

A

Answer to Question 2

D





 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

For a complete list of videos, visit our video library