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Media Dependency
      Theory

       David K. Berlo


5584875528

5584876128

5584892128              1
Biography of David K. Berlo

            Date of Birth: March 1929
            Date of Death: February 1996
            Education
                                University of
              Illinois
                               University of Illinois
                            Michigan State
 1958         University
                     A Philosophy of
Education
 1960                            The
Process of Communication.
                             Department        2
of General Communication Arts, Michigan
1.          communication source)
2.       encoder)
3.   message)
4.      channel)
5.        decoder)
6.      communication receiver)




                                    3
SMCR


Shannon
Weaver




            4
SMCR



S (Source or Sender)
M (Message)
C (Channel)
R (Receiver)




                          5
SMCR           4
      Source

            Message



    Channel

                           5

:       :          :       :   :

        Receiver

                               6
–
        SMCR
•


•


•                     Feedback)

•
•              linear model)
•
•



                                  7
•               (Dependency)




•                       Media Dependency

    receiver)


•                              Media
    Dependency Theory
              (Receiver)                   8
Media Dependency Theory

            1976     Sandra Ball-Rokeach
and Melvin DeFleur




                                           9
Ball-Rokeach & DeFleur (1976)
                                10
11
DeFleur & Ball Rokeach (1989)
Society system




                 –




                     12
Media
 system


Audiences




            13
Theories of Mass Communication
Melvin L. De Fleur   Sandra Ball-
           Rokeach




                               14
15