As an Alternative to Random Assignment, Researchers Will Sometimes Design

question 247

Multiple Choice

As an alternative to random assignment, researchers will sometimes design experiments where each participant is exposed to all conditions or groups in an experiment. This second procedure controls for differences between individual participants by:

• A) increasing external validity.
• B) holding these differences constant.
• C) making use of the double-blind procedure.
• D) balancing these differences between the conditions or groups.