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Author Question: Random assignment helps ensure a. cohort effects. b. differences exist between treatment groups ... (Read 53 times)

faduma

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on: Jun 22, 2018
Random assignment helps ensure
 
  a. cohort effects.
  b. differences exist between treatment groups prior to the treatment.
  c. age effects.
  d. similarity of treatment groups prior to the treatment.

Question 2

In DeLoache's study of the relationship between types of training and vocabulary acquisition, vocabulary acquisition represented the _____ variable in the experiment.
 
  a. extraneous
  b. dependent
  c. independent
  d. confounding


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flannelavenger

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Reply #1 on: Jun 22, 2018
Answer to Question 1

d

Answer to Question 2

b


faduma

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Reply 2 on: Jun 22, 2018
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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