What block randomization procedure can be used if you have more ...

[Evvie72]

What block randomization procedure can be used if you have more than two treatment groups in your experiment?
 
  A) draw slips of paper, putting each slip aside after it is drawn until each
  treatment group has a participant, put slips back in container, and repeat
  until every subject is in a group
  B) draw slips of paper, putting each slip back into the container after every time is
  drawn, then repeat until every subject is in a group
  C) flip a coin for each and every participant, then fill the remaining conditions
  with people as needed to get equal n
  D) have participants guess any number from 1-100 having whichever number
  they choose correspond to a condition (e.g. 1, 2, 3, 4, etc.) placing them
  accordingly

Question 2

To ensure that the selection of subjects from a subject pool is truly random, which of the following should be used?
 
  A) Place the first person in group A, the second in B, the third in A, and so on
  B) Place the first person in group B, the second in A, the third in B, and so on
  C) Have two people pick a number from 1-10, placing the person who picks the
  highest number in group A and the person who picks the lower in group B
  D) Flip a coin for each subject, with heads being group A, tails being group B

[cassie_ragen]

Answer to Question 1

A

Answer to Question 2

D