Author Question: When a significant number of subjects drop out of a study, there is a(n) ____ threat. a. history ... (Read 54 times)

jilianpiloj

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When a significant number of subjects drop out of a study, there is a(n) ____ threat.
 
  a. history
 b. mortality
 c. instrumentation
  d. regression

Question 2

In the Donders' B (or choice) reaction task, two stimuli are linked to one response.
 
  Indicate whether the statement is true or false



heyhey123

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Answer to Question 1

b

Answer to Question 2

F



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