To examine the relationship between cognitive style and Muller-lyer illusion,Poggendorff illusion,Ebbinghaus illusion,Hering illusion and Wundt illusion.

• 运用测验法研究了藏、回、汉族小学三年级、五年级、初二、高二共1032名儿童认知方式的特点,考察了不同认知方式与视错觉之间的关系。