In a randomized block design, the term blocking is usually used ...

[jayhills49]

In a randomized block design, the term blocking is usually used when matching is on a(n):
 
  a. nominal scale.
  b. ordinal scale.
  c. interval scale.
  d. ratio scale.

Question 2

One advantage of a matched subjects design is:
 
  a. individuals do not have to be randomly assigned.
  b. everything is automatically counterbalanced.
  c. that error variance is decreased.
  d. there are no individual differences.

[Amiracle]

Answer to Question 1

A

Answer to Question 2

C

[jayhills49]

TYSM

[coreycathey]

Thanks for the timely response, appreciate it