This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why is a control group necessary for intervention trials? ... (Read 62 times)

clippers!

  • Hero Member
  • *****
  • Posts: 828
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lauravaras

  • Sr. Member
  • ****
  • Posts: 347
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!

  • Member
  • Posts: 828
Reply 2 on: Aug 20, 2018
Wow, this really help

vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Overview of points of control for gene regulation in (a) prokaryotes and (b) eukaryotes Overview of points of control for gene regulation in (a) prokaryotes and (b) eukaryotes
(A) Each bronchiole terminates in an alveolar sac, a group of alveoli; (B) alveoli encased by networ (A) Each bronchiole terminates in an alveolar sac, a group of alveoli; (B) alveoli encased by networ
Neuroendocrine Control of the Menstrual Cycle Neuroendocrine Control of the Menstrual Cycle
Control of urination. Control of urination.
Chickenpox rash. (Centers for Disease Control and Prevention [CDC]/Ann Cain) Chickenpox rash. (Centers for Disease Control and Prevention [CDC]/Ann Cain)
Group defenses: Cluster of sawfly caterpillars regurgitating fluid (yellow) that predators find unap Group defenses: Cluster of sawfly caterpillars regurgitating fluid (yellow) that predators find unap
Video: Language Areas Animation

For a complete list of videos, visit our video library