| http://www.w3.org/ns/prov#value | - Evidence is mixed about how well online courses teach core subjects such as science, math or reading, with a recent large-scale Columbia study showing disadvantages to online learning for community college students. (The study was done at Columbia???s Teachers College, which is also home to The Hechinger Report, producer of this story.) But new research shows that, in certain topics???as for these
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