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Author Question: Briefly explain the confounds of history and maturation. What will be an ideal ... (Read 40 times)

panfilo

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on: Jun 19, 2018
Briefly explain the confounds of history and maturation.
 
  What will be an ideal response?

Question 2

Stratified random sampling and quota sampling are both classified in the category of probability sampling techniques.
 
  a. True
  b. False
  Indicate whether the statement is true or false


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Melissahxx

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

History is a threat to internal validity in which an outside event that is not a part of the manipulation of the experiment could be responsible for the results. Maturation is a threat to internal validity in which naturally occurring changes within the subjects could be responsible for the observed results.

Answer to Question 2

False


panfilo

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Reply 2 on: Jun 19, 2018
Thanks for the timely response, appreciate it

diana chang

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Reply 3 on: Yesterday
Excellent

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