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 36 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
Gracias!


flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Excellent

 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library