During the last years, the Internet and the World Wide Web have fundamentally altered the practice of distance teaching and learning. Using Internet resources and technologies in education is prevalent today. It has been shown that the use of the Internet in the sphere of organization and management of education leads to the increase of education accessibility on a global scale, and may lead to the growth of economic efficiency of an educational institution’s activity.

With respect to continuous education and vocational training, open and distance learning is used to a great extent. The need for recurrent and continuous updating of knowledge and skills is recognized as a fundamental demand in society today, and open and distance learning with its decentralized and flexible delivery and its modular structure of courses and curricula has become an obvious way of meeting this need.


There is an on-going debate about whether it is the use of a particular delivery technology or the design of the instruction that improves learning. It has long been recognized that specialized delivery technologies can provide efficient and timely access to learning materials; however, it has been claimed that technologies are merely vehicles that deliver instruction, but do not by themselves influence student achievement. It is the instructional strategy built into the learning materials that yields learning benefits and neither the structure nor the format of the learning material per se.

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