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Author Question: Which of the following is an advantage of before-after designs? a. Participants experience less ... (Read 59 times)

jrubin

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Which of the following is an advantage of before-after designs?
 
  a. Participants experience less fatigue.
  b. Participants are less likely to guess the research hypothesis.
  c. Random error is reduced.
  d. Statistical power is decreased.

Question 2

A baseline measure is
 
  a. an initial measurement of the dependent variable in a before after research design.
  b. a measure that is given in case a before after research design is spurious.
  c. a measure that is accompanied by a cover story.
  d. used to increase external validity.



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sokh

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Answer to Question 1

c

Answer to Question 2

a





 

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