Which of the following best describes the procedure of block ...

[newbem]

Which of the following best describes the procedure of block randomization?
 
  A) Flip a coin for each participant, with heads indicating one group, tails the other
  B) Flip a coin for the first participant putting the next participant in the other group, and so on
  C) Flip a coin for each participant for the first half of the sample, putting each subsequent participant in the group that needs more subjects to get equal n
  D) Put the first half of subjects that participate in one group, putting the next half
  in the other group

Question 2

Dr. Ryan is working on a study where he has subjects complete an intelligence test and,
 
  based on their scores, he attempts to equate three different experimental groups by randomly assigning those with relatively high scores to each of the three groups. This design is referred to as a
 
   a. longitudinal design.
   b. matched-subjects design.
   c. interrupted time-series design.
   d. one-group pretest-posttest design

[jliusyl]

Answer to Question 1

B

Answer to Question 2

b

[newbem]

Excellent

[patma1981]

TYSM