How can variance be reduced in a between-subjects design? a. ...

[karlynnae]

How can variance be reduced in a between-subjects design?
 
  a. Use counterbalancing.
 b. Use a factorial design adding a participant variable (such as age) as a second factor.
  c. Use a factorial design with the order of treatments as a second factor
 d. Reduce the strength of the treatment.

Question 2

The simplest of all experimental designs is the two-group posttest-only randomized experiment.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[Silverbeard98]

Answer to Question 1

b

Answer to Question 2

True

[karlynnae]

Great answer, keep it coming

[xiazhe]

Thanks for the timely response, appreciate it