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

Author Question: In order to make this experiment partly a blind procedure a) the person handling and injecting ... (Read 83 times)

segrsyd

  • Hero Member
  • *****
  • Posts: 530
In order to make this experiment partly a blind procedure
 
  a) the person handling and injecting the rats should not know which drug group the rats are in.
  b) the principal investigator should not know which group the rats are in.
  c) The rats should be kept in the dark during the activity tests.
  d) The rats should be housed in separate cages.

Question 2

When variables compete to explain the same effects, what are they sometimes called?
 
  a) contradictory
  b) intertwining
  c) confounding
  d) interdependent



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shailee

  • Sr. Member
  • ****
  • Posts: 392
Answer to Question 1

A

Answer to Question 2

c




segrsyd

  • Member
  • Posts: 530
Reply 2 on: Jul 13, 2018
Thanks for the timely response, appreciate it


T4T

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

For a complete list of videos, visit our video library