Vaught G M, Pittman M D, Roodin P A
Percept Mot Skills. 1975 Feb;40(1):305-6. doi: 10.2466/pms.1975.40.1.305.
Children 4 through 13 yr. of age performed on a haptic-to-visual form-identification task. The obtained curves showed that for both sexes, rate of improvement slowed down at approximately 9 yr. of age.
4至13岁的儿童参与了一项触觉到视觉的形状识别任务。所得曲线表明，对于男女两性而言，改善速度在大约9岁时放缓。
