摘要：Abstract This research determined the relationship between the epistemological believes and academic performance of students. In order to achieve the goal there are some important questions to answer: 1. How are the conditions of the epistemological beliefs and its aspects? 2. Are there any relations between aspects of Organizing knowledge ability and academic performance of students? 3. Are there any relations between aspects of fast learning and academic performance of students? 4. Are there any relations between aspects of learning control and academic performance of students? 5. Are there any relations between aspects of firm knowledge and academic performance of students? 6. Are there any relations between aspects of knowledge source and academic performance of t students? 385 students of two universities were chosen in random sampling. In order to analysing the parameters of the research researcher used epistemological believes questionnaire (2007). This questionnaire contains 32 questions about the aspects of epistemological beliefs. The questionnaire used in this research, is standard, fur there more its validity and reliability is confirmed by .74 coefficients. Regression in step by step form and for special question Pearson correlation test is used. There is a meaning linear relation between Academic performance and knowledge speed aspect about the main question and there is only a meaning negative relation between knowledge speed aspect and Academic performance about special question and there is not any relation in any other aspects.
