Author Question: A potential problem facing nonequivalent control-group designs is that A) unequal group size may ... (Read 75 times)

jilianpiloj · **on:** Aug 4, 2018

A potential problem facing nonequivalent control-group designs is that

A) unequal group size may hinder the analyses.
B) these designs are unethical.
C) groups may differ on variables other than the dependent variable.
D) these designs work better with animals than with humans.

Question 2

The two chief problems in nonequivalent control-group designs are related to the fact that

A) since the groups exist prior to the study, participants are assigned to groups in a random manner.
B) participants are assigned to groups in an unbiased manner.
C) there is no experimental manipulation.
D) since the groups exist prior to the study, participants cannot be assigned in an unbiased manner.