Among the following research designs,which allows researchers to rule out the most threats to internal validity?
A) one group pretest-posttest design
B) nonequivalent control group design
C) simple interrupted time series design
D) times series design with nonequivalent control group

Question

Quizplus · Accepted Answer

The time series design with nonequivalent control group allows researchers to rule out the most threats to internal validity because it includes multiple measurements over time, a control group for comparison, and the ability to track any changes in both the treatment group and control group. This design also addresses selection biases and other confounding variables that can affect the results of the study.

Among the Following Research Designs,which Allows Researchers to Rule Out