When research participants have an equally likely chance of being assigned to an experimental condition or the control condition, the experimenter has:

Question

Quizplus · Accepted Answer

Employing random assignment means that participants have an equally likely chance of being assigned to either the experimental or control conditions. This increases the internal validity of the study by reducing the likelihood of selection bias and producing groups that are roughly equivalent at baseline. Therefore, option C is the correct choice.

When Research Participants Have an Equally Likely Chance of Being