Zip McMasterson is in a hurry to complete his research on the ...

[ap345]

Zip McMasterson is in a hurry to complete his research on the effects of stimulant consumption on driving behaviors.
 
  He decides that he could give 6 cups of coffee
  to drivers from a local defensive driving class and observe the students' reactions
  during their behind-the-wheel test. To insure that he is using good science, Zip
  plans on using decaffeinated coffee with one group and regular coffee with the
  other. Being that he personally knows the teacher of the class, he arrives the next
  day with two large containers of coffee and began to administer it to the class.
  What did Zip forget to do?
  a. Provide participants with an informed consent form.
  b. Receive certification from his universities' IRB.
  c. He should have used a within-subjects design.
  d. Both a & b.
  e. All of the above.

Question 2

Based on the scores 1, 2, 3, 4, 5, 6, 6, 8, 8, 8, 9, and 10, a score of 8 is the
 
  A) mean.
  B) median.
  C) mode.
  D) standard deviation.

[parshano]

Answer to Question 1

d & e

Answer to Question 2

C