Media and Technologies Used in DE I
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Media and Technologies Used in Distance Education: Advantages and limitations. ...

Media and Technologies Used in Distance Education: Advantages and limitations.
Broadcasting radio and television
Telephone and audio-conferencing

More in: Education , Technology
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  • 1. Distance Education and the Internet TECH4101 Dr. Alaa Sadik Instructional & Learning Technologies Department www.alaasadik.net [email_address]
  • 2. Lecture Four Media and Technologies Used in Distance Education: Advantages and limitations Distance Education and the Internet TECH4101 Includes suggestions for class presentations
  • 3.
    • Broadcasting radio and television
    • Telephone and audio-conferencing
    Media and Technologies Used in Distance Education
  • 4.
    • Broadcasting radio and television
    Media and Technologies Used in Distance Education
  • 5.
    • Advantages of broadcasting radio and television
    • The broadcast element includes components which are unique to the medium and which provide experiences not easily gained by other means.
    • Broadcasting reaches audiences that other forms of education do not reach.
    Broadcasting Radio and Television
  • 6.
    • Advantages of broadcasting radio and television
    • Radio is extremely flexible, has a dramatic effect and can stimulate the imagination of learners.
    • With the development in communications satellites, television can reach a long distance and use extra numbers of channels, with their potential for two-way signal carriage.
    Broadcasting Radio and Television
  • 7.
    • Disadvantages of broadcasting radio and television
    • Broadcasting does not have many of the features available in printed materials, such as learner control and self pace.
    • Although broadcasting is considered as a powerful tool for bringing the real world into the classroom, programmes often lack strategies for involving learners.
    Broadcasting Radio and Television
  • 8.
    • Disadvantages of broadcasting radio and television
    • It is difficult for students to talk, practise skills or understand difficult points unless teachers integrate broadcasting with other learning activities.
    • Instruction goes in one direction, from the tutor to the audience and the medium does not support transfer of information in the opposite direction.
    Broadcasting Radio and Television
  • 9.
    • Disadvantages of broadcasting radio and television
    • Certain types of experiences cannot be transmitted by broadcasting, such as face-to-face contacts and abstract ideas that need interaction and deep explanation, like mathematical concepts.
    • The costs of production, equipment and transmission per hour are very high in comparison with other media.
    Broadcasting Radio and Television
  • 10.
    • Disadvantages of broadcasting radio and television
    • Students resist technology that have to be used according to a rigid pre-set schedule .
    Broadcasting Radio and Television
  • 11.
    • As a result of the limitations of radio and television, many solutions were suggested to give the learner more control and to facilitate interaction between the teacher and students .
    • These solutions include using audio-cassettes, video-cassettes and two-way interactive radio/television.
    Broadcasting Radio and Television
  • 12. Broadcasting Radio and Television Features analysis Cost Multimedia support Stand-alone medium Instruction Delivery Feedback Development Speed Ease of access/use Anyplace Anytime Flexibility Self-based learning Group-based Learning style Student-machine Student-content Student-teacher Student-student Type of interaction Asynchronous Synchronous Time of interaction
  • 13.
    • Telephone and audio-conferencing
    Media and Technologies Used in Distance Education
  • 14.
    • The use of the telephone in distance education was a result of the limitations of broadcasting as one-way medium.
    • The main reason for using the telephone medium is to establish a direct connection between the teacher and students at a distance.
    Telephone and audio-conferencing
  • 15.
    • Forms of telephone use in DE
    • One-to-one telephone tutoring (teacher-to-student): To provide students with human support.
    • Small-group audio-conferencing (students-to-students): To link students together for helpful dialogue and to socialize the learning process.
    Telephone and audio-conferencing
  • 16.
    • Advantages of telephone and audio-conferencing
    • The telephone can overcome many contact problems between students and tutors, whether in one-to-one links or in small group conferencing.
    • Students can gain learning experiences by interaction with the tutor, receiving feedback or asking for immediate support.
    Telephone and audio-conferencing
  • 17.
    • Advantages of telephone and audio-conferencing
    • Using additional equipment, voice message can be stored for distance students to access at any time/anywhere.
    • Using fax, the tutor can send course materials, homework and feedback, and students can submit their assignments or send their questions for more explanation .
    Telephone and audio-conferencing
  • 18.
    • Advantages of telephone and audio-conferencing
    • Telephone conferencing enables distance students to interact directly with the tutor or experts, exchanging experiences or ask questions .
    • Telephone can be used for tasks which involve cooperation, problem-solving, generating ideas and exchanging opinions.
    Telephone and audio-conferencing
  • 19.
    • Disadvantages of telephone and audio-conferencing
    • Telephone tutorials do not allow full interaction between teacher and students. Prepared materials have to be delivered by print or audio-tapes to the learners in advance.
    • Conference calls require special equipment known as a conference amplifier or conference bridge.
    Telephone and audio-conferencing
  • 20.
    • Disadvantages of telephone and audio-conferencing
    • Most science courses are heavily dependent upon visual representation, particularly these that contain graphs, formulae and diagrams. These subjects need additional visual media besides the telephone.
    • Individual calls are costly in time and money for the tutor and students.
    Telephone and audio-conferencing
  • 21. Telephone and audio-conferencing Features analysis Cost Multimedia support Stand-alone medium Instruction Delivery Feedback Development Speed Ease of access/use Anyplace Anytime Flexibility Self-based learning Group-based Learning style Student-machine Student-content Student-teacher Student-student Type of interaction Asynchronous Synchronous Time of interaction
  • 22.
    • Discussion of class assignment and presentation: Topics and guidelines
    The End
  • 23.
    • Write an assignment and present it to your classmates to describe the technical and pedagogical features of a DE technology. In this assignment you should:
    • Define the technology
    • Define objectives of using the technology in DE
    • Specify features/advantages and limitations of the technology.
    • Discuss how this technology are used to deliver and support learning.
    • Discuss concerns raised by researchers and distance students/tutors about this technology.
    • Provide some case studies/examples.
    • Follow these guidelines: Cover page contains assignment title, your name & ID,1500 words length (exl ref & cover), 12pt font size, Arial font, 2 cm margins each side
    The End