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Author Question: A cross-sectional design comparing three different ages would require three separate groups of ... (Read 139 times)

sjones

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on: Jun 19, 2018
A cross-sectional design comparing three different ages would require three separate groups of participants.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

When the tests (or observers) used on the posttest and the pretest differ, there is a(n) ____ threat.
 
  a. history
 b. mortality
 c. instrumentation
  d. regression


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Qarqy

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

True

Answer to Question 2

c


sjones

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Reply #2 on: Jun 19, 2018
Thank you!


Qarqy

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Reply #3 on: Jun 19, 2018
Happy to help


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