Chimpanzees and children two-three years ability's to solve tasks with the choice of geometric figures by sample comparative analysis

The chimpanzees and children two-three years old possibilities to solve the tasks with colored geometric figure choice by the colored and colorless samples, their images and by the sample-color comparatively analyzed. It was found that few children from test group, as well as chimpanzees, can`t understand the principle of choosing by sample with the first tasks. After the training period all another tasks they can solve at once.