Dr. Estavez is about to conduct a study in which he will present several different lists of
words for participants to memorize. Some lists are long and some are short. Dr.
Estavez
plans to present all the short lists before presenting the long lists. Worried that the order
in which the lists are presented may affect the outcome of the study, you advise Dr.
Estavez to
a. assign participants randomly to groups.
b. counterbalance the presentation of the lists.
c. use a pretest to make sure all participants have about the same memory abilities.
d. make sure that all the words in the lists are unfamiliar to participants.
e. make sure all of the lists are the same length.
b. counterbalance the presentation of the lists.
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