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Author Question: What is a common approach used by researchers to control for the possible influences of history and ... (Read 15 times)

scienceeasy

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on: Jun 22, 2018
What is a common approach used by researchers to control for the possible influences of history and maturation in a longitudinal experiment?
 
  a) Include a placebo group in the design.
  b) Include an additional experimental condition in the design.
  c) Include a no-treatment group in the design.
  d) Control for differences in the history of participants.

Question 2

Which of the following is NOT a threat to the internal validity of an experiment?
 
  a) History
  b) Maturation
  c) Attrition
  d) Sample characteristics


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Shshxj

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: c

Answer to Question 2

Answer: d


scienceeasy

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Reply 2 on: Jun 22, 2018
Excellent

Dnite

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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