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Author Question: The reason for including a placebo group in a drug study is to control for: a. experimenter bias. ... (Read 154 times)

Metfan725

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The reason for including a placebo group in a drug study is to control for:
 
  a. experimenter bias.
  b. physiological effects of the drug.
  c. participants' expectations of change.
  d. the experimenter being blind.

Question 2

To control for the Hawthorne effect, you need:
 
  a. more than one observer.
  b. a control group that is not given special attention.
  c. a control group that is given special treatment but does not get the experimental treatment.
  d. a placebo group.



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stanleka1

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Answer to Question 1

C

Answer to Question 2

C




Metfan725

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Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it


sailorcrescent

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Reply 3 on: Yesterday
Wow, this really help

 

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