Author Question: How can variance be reduced in a between-subjects design? a. Use counterbalancing. b. Use a ... (Read 55 times)

karlynnae · **on:** Jun 19, 2018

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