According to a number of homeschooling wonks or boffins there have been no studies that showed homework is effective at improving grades.
From
these boffins:
Quote:
Does homework affect student learning?
Myth 1: Homework increases academic achievement.
What researchers say: Cooper (1989a) argues that reviews on the link between homework and achievement often directly contradict one another and are so different in design that the findings of one study cannot be evaluated fairly against the findings of others.
Myth 2: Without excessive homework, students’ test scores will not be internationally competitive.
What researchers say: Information from international assessments shows little relationship between the amount of homework students do and test scores. Students in Japan and Finland, for example, are assigned less homework but still outperform U.S. students on tests (Organisation of Economic Cooperation and Development 2004). Other studies find a positive relationship in math, but not in reading (Fuchs et al. 2004).
Myth 3: Those who question homework want to weaken curriculum and pander to students' laziness.
What researchers say: Kralovec and Buell (2001) note that homework critics rarely question the work assigned but rather the fact that the work is so often performed at home without adult supervision to aid the learning process.
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