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Inundating children with hours of homework each night is detrimental, the research suggests, while an hour or two per week usually doesn't impact test scores one way or the other.However, homework only bolsters students' academic performance during their last three years of grade school.[Kids Believe Literally Everything They Read Online, Even Tree Octopuses]This type of remedial homework tends to produce marginally lower test scores compared with children who are not given the work.
According to Richard Walker, an educational psychologist at Sydney University, data shows that in countries where more time is spent on homework, students score lower on a standardized test called the Program for International Student Assessment, or PISA.
"There is little benefit for most students until senior high school (grades 10-12)," Walker told Life's Little Mysteries.
The research is detailed in his new book, "Reforming Homework: Practices, Learning and Policies" (Palgrave Macmillan, 2012).
It should also be recognised that this type of flooding would not take place without the intentional human act. tidal flooding of areas that fall dry at ebb tide, and periodical river floods are not inundations in the sense intended here.
The latter condition implies that in most topographies the act usually applies to causing an overflow of a river or stream by damming it.