Dr Ruiz Was Asked to Consult on a Research Project

Multiple Choice

Dr. Ruiz was asked to consult on a research project. She recommended to the researchers that they randomly assign all of their research participants to help reduce errors related to individual differences, as well as randomly assign the order of administered interventions to each group of 30 participants. Dr. Ruiz is recommending a practice commonly referred to as _____, which helps to reduce order effects.

A) practice effects
B) counterbalancing
C) carryover effects
D) random assignment