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Author Question: When an experimenter who is conducting a factorial study talks about the groups in the experiment, ... (Read 144 times)

Zulu123

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on: Jun 19, 2018
When an experimenter who is conducting a factorial study talks about the groups in the experiment, s/he is referring to _____.
 
  a. several people who meet in a room at the same time in order to participate
  b. the cells in the experiment
  c. the interactions that are present in the data
  d. the statistical procedure by which the mean square is calculated

Question 2

In a factorial experiment, if the experimenter is concerned about demand characteristic, s/he can _____.
 
  a. use a within subjects design
  b. increase the size of the sample
  c. use a simple experiment instead of a factorial experiment
  d. disguise the real purpose of the experiment


T4T

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Reply #1 on: Jun 19, 2018
Answer to Question 1

B
A group refers to a cell, or combination of treatment levels. The participants in a group do not actually meet, but are tested individually.

Answer to Question 2

D
Demand characteristics occur when participants know what the experiment is about. One way to reduce demand characteristics is to disguise the purpose of the experiment; for example, by using a cover story.


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