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Raising mean score less than 10% is “an extremely effective teaching technique”? Hmm, maybe it is. But what if the one “pulling the cart” in the group has the
by jonsen 7y ago
Raising mean score less than 10% is “an extremely effective teaching technique”? Hmm, maybe it is.
But what if the one “pulling the cart” in the group has the score raised say 30% and the rest have their score actually lowered? Would be interesting to see detailed statistics.
- yorwba 7y agoIn that case, the variance of the test score would increase, but the error bars on the graph indicate that it didn't. If that doesn't convince you, the paper linked at the end of the article has more details.