This study has Compared the difference of mental rotation between hearing-impaired and normal children, The results show that : ( 1 ) No defferences exist in mental rotation between hearing-impaired and normal children. 本研究对聋人与听力正常人在心理旋转任务上的差异进行了比较。实验结果表明:(1)聋人与听力正常人在心理旋转操作上不存在显著的差异;
There is no difference between gender on correctness rate and reaction time of mental rotation. 心理旋转的正确率和反应时在性别上的不存在差异。