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Author Question: Dr. Kim varies the amount of caffeine given to three groups of participants (0, 100, and 200 mg) and ... (Read 21 times)

bucstennis@aim.com

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on: Jun 19, 2018
Dr. Kim varies the amount of caffeine given to three groups of participants (0, 100, and 200 mg) and then observes the anxiety level for each group. The 0-mg condition represents the ____ group.
 
  a. experimental
 b. manipulation check
  c. no-treatment control
  d. waiting-list control

Question 2

What type of sample selects n units out of N such that each NCn has an equal probability of being samples, simply by using a table of random numbers, a computer random-number generator, or a mechanical device to select the sample?
 
  a. simple random
 b. stratified random
 c. systematic random
  d. cluster random


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chjcharjto14

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Reply #1 on: Jun 19, 2018
Answer to Question 1

c

Answer to Question 2

a


bucstennis@aim.com

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Reply 2 on: Jun 19, 2018
Wow, this really help

peter

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Reply 3 on: Yesterday
Excellent

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