Author Question: The two sources of variability in a two-group experiment are A) between-groups variability and ... (Read 115 times)

bclement10

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The two sources of variability in a two-group experiment are
 
  A) between-groups variability and extraneous variability
  B) extraneous variability and nuisance variability
  C) participant differences and experimenter biases
  D) between-groups variability and error variability

Question 2

The t distribution changes shape based on which factor?
 
  A) homogeneity of the sample
  B) size of the difference between groups
  C) researcher's preference for best displaying results
  D) size of the sample



tashiedavis420

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Answer to Question 1

D

Answer to Question 2

D



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