When certain characteristics cause a person to choose to be in a treatment group,selection bias can be overcome by using
A)conditional randomization and fixed effects.
B)difference in differences estimation.
C)larger sample sizes.
D)quasi-experiments.

Question

Quizplus · Accepted Answer

Conditional randomization and fixed effects help to control for the influence of the characteristics that led a person to choose to be in the treatment group, making the comparison between the treatment and control groups more accurate. The other options may help to reduce bias in other situations, but they do not specifically address selection bias.

When Certain Characteristics Cause a Person to Choose to Be