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Author Question: Why is a control group necessary for intervention trials? ... (Read 68 times)

clippers!

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on: Aug 20, 2018
Why is a control group necessary for intervention trials?

Question 2

Bile is secreted by the
 
 A. pancreas.
  B. stomach.
  C. small intestine.
  D. gallbladder.


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lauravaras

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Reply #1 on: Aug 20, 2018
Answer to Question 1

The control group provides the comparison that can be used
to verify that the treatment/intervention has resulted in any
changes observed.

Answer to Question 2

D


clippers!

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Reply 2 on: Aug 20, 2018
Wow, this really help

debra928

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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