Author Question: When taking the pretest affects how participants do on the posttest, there is a(n) ____ threat. ... (Read 51 times)

codyclark

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When taking the pretest affects how participants do on the posttest, there is a(n) ____ threat.
 
  a. history
 b. maturation
 c. instrumentation
  d. testing

Question 2

In a Donders' C reaction task there is more than one stimulus but only one response.
 
  Indicate whether the statement is true or false



gasdhashg

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Answer to Question 1

d

Answer to Question 2

T



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