« previous next »

Author Question: What is the primary reason for including a control group within the design of an (Read 1524 times)

Hawke

  • Hero Member
  • *****
  • Posts: 679
on: May 25, 2013
What is the primary reason for including a control group within the design of an experiment?
A) To ensure that the results obtained are due to a difference in only one variable
B) To ensure that the experimenter can perform a more complete statistical analysis
C) To demonstrate in what way the experiment was performed incorrectly
D) To accumulate additional facts that can be reported to other scientists
E) To test the effect of more than one variable


Melanie

  • Full Member
  • ***
  • Posts: 204
Reply #1 on: May 27, 2013
I think the answer is: A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

A group of capped langurs. A group of capped langurs.
Ventromedial Group of Descending Motor Tracts Ventromedial Group of Descending Motor Tracts
An ob/ob mouse and a control mouse. An ob/ob mouse and a control mouse.
Group of Geese Group of Geese
Phrenology model showing areas of the head overlaying brain regions that control different traits. I Phrenology model showing areas of the head overlaying brain regions that control different traits. I
In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv In 1974 a UC Berkeley group fired an oxygen nucleus at a californium target. Giv
Video: Appendicitis Animation

For a complete list of videos, visit our video library