This study examined the achievement of elementary school students when
their strong preferences for learning alone or learning with peers we
re identified and they were allowed to choose whether to learn alone o
r with peers in each of five lessons. The results yielded by ANCOVA re
vealed that the students who were identified as strongly preferring to
learn alone achieved significantly higher mean lesson-test scores tha
n students identified as strongly preferring to learn with peers. Neit
her students identified as strongly preferring to learn alone; nor stu
dents identified as strongly preferring to learn with peers achieved s
ignificantly higher when they opted to learn through methods congruent
with their preference.