One Way to Reduce the Impact of Carryover Caused by Practice

Multiple Choice

One way to reduce the impact of carryover caused by practice effects is to:

A) habituate your subjects to your experimental situation prior to beginning it.
B) give subjects equivalent practice sessions to bring them all up to the same level of performance.
C) make treatment order an independent variable and counterbalance it.
D) None of the answers is correct.