Elementary students who have already learned basic math skills can work through more questions and make fewer errors if they use a calculator without hurting their scores on subsequent tests, according to a study to be published in the Journal of Experimental Child Psychology. "It is important children first learn how to calculate answers on their own, but after that initial phase, using calculators is a fine thing to do," said co-author Bethany Rittle-Johnson, a professor of psychology in Vanderbilt's Peabody College of education and human development.

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