The Study of the Knowledge Increment of Team Study and the Study-Time Validity

In this paper, we suggest that the knowledge increment contains two parts which are the increase of the total knowledge and the increase of knowledge innovation, and the total study time is made up of the ineffective study time, the knowledge- searching time, the waste thinking time and the effective thinking time. The preceding three kinds of time have negative effect for the knowledge increment of team study, and the last one is positive. We also think that the effective thinking time contains the thinking-innovative time and the iterative knowledge - memory time. Compared with the iterative knowledge -memory time, the thinking-innovative time has more positive effect. Then we offer a math model to show the influence relationship of the knowledge increment and the study time. At last after analyzing a great variety of factors which can influence the study-time validity, we also offer a math model to quantify the relationship between those factors and the study-time validity. Further more, we use a practical case - the study of team train of China Executive Leadership Academy, PuDong to validate our conclusions.