The Primary Way of Determining Whether a Threat to the Internal

Multiple Choice

The primary way of determining whether a threat to the internal validity of the nonequivalent comparison-group design is plausible is to:

A) Look at the pattern produced by the results of the experiment and decide if the threat is plausible
B) Conduct an analysis of variance of the data
C) Determine if the experimental design included a control group
D) Consult with other researchers in the field