Participants volunteered to be in a study of the effects of ...

[sdfghj]

Participants volunteered to be in a study of the effects of vitamin supplements. The experimenter was given an unlabeled syringe containing saline or a vitamin supplement to inject into the participant.
 
  The participants were not told if the injection they received is the vitamin supplement or a placebo. This experiment is using a(n)_________ technique.
 
 a. deception
   b. double-blind
  c. blind
  d. independent measure of the dependent variable

Question 2

Which of the following is an accurate interpretation of the outcome?
 
  a) The drug has no effect on activity level of rats.
  b) The time of day has no effect on the activity level of rats.
   c) The effect of drug on activity level of rats depends upon the time of day.
  d) The drug is a stimulant and therefore a good appetite suppressant.

[Tonyam972]

Answer to Question 1

B

Answer to Question 2

C

[sdfghj]

Gracias!

[brbarasa]

TYSM