Author Question: This threat to internal validity refers to changes in participants that occur over time during an ... (Read 27 times)

luminitza

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This threat to internal validity refers to changes in participants that occur over time during an
  experiment and may include tiredness or boredom.
 
  A) selection B) testing C) history D) maturation

Question 2

This individual is credited with the statement: Let us never introduce more than is required for
  an explanation.
 
  A) William of Ockham B) Sherlock Holmes
  C) William of Parsimony D) Sir Francis Galton



Jevvish

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Answer to Question 1

D

Answer to Question 2

A



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