A study by Berninger found that in grades tore ore ideas ore active brains than kids ply looked at letters.
印第安纳州研究员的另一研究发现，练习写字的孩子的大脑，比只看不写的孩子更为活跃。
2
A study by Berninger found that in grades two, four, and six, children wrote more words, faster, and expressed more ideas when writing essays by hand than when typing on a keyboard.