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

Author Question: A ____________ variable is one that is not controlled by the experimenter; if this variable has a ... (Read 52 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
A ____________ variable is one that is not controlled by the experimenter; if this variable has a differential impact on the different groups in the study then it is called a ___________ variable.
 
  a. confounding; extraneous
   b. extraneous; confounding
   c. independent; extraneous
  d. independent; confounding

Question 2

Which of the following would be the least capable of scientific investigation and thus would represent the worst potential research idea?
 
  a. Which art form is the more valuable to society, paintings or music?
  b. Which is better to increase alertness, caffeine or nicotine?
  c. Which species can learn a particular maze better, rat or mouse?
  d. Which produces better learning, studying with or without music?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brbarasa

  • Sr. Member
  • ****
  • Posts: 308
Answer to Question 1

B

Answer to Question 2

A




Alygatorr01285

  • Member
  • Posts: 564
Reply 2 on: Jul 13, 2018
Great answer, keep it coming :)


tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

For a complete list of videos, visit our video library