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Author Question: What is a major potential confounding factor in the simple pretest-posttest design that is ... (Read 30 times)

mynx

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on: Aug 4, 2018
What is a major potential confounding factor in the simple pretest-posttest design that is controlled for in the interrupted time-series design?
 
  A) instrumentation
  B) regression to the mean
  C) selection
  D) maturation

Question 2

What is the difference between a simple pretest-posttest design and an interrupted time-series design?
 
  A) The time-series design uses multiple measures taken at several points in time both before and after the manipulation.
  B) The simple pretest-posttest design uses a single measure at pretreatment and post-treatment.
  C) The time-series uses a series of measures that are interrupted by the manipulation.
  D) All of the above


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jrpg123456

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Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


mynx

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Reply 2 on: Aug 4, 2018
Thanks for the timely response, appreciate it

skipfourms123

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Reply 3 on: Yesterday
Excellent

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