Four approaches have been defined by researchers for relating communication to development. These are
A. Empathy (Lerner), Diffusion (Rogers), Cultural Codes (Eisenstadt), Magic Multiplier (Schramm)
B. Empathy (Lerner), Diffusion (Rogers), Magic Multiplier (Schramm), Model of Relations (Rosengren)
C. Diffusion (Rogers), Magic Multiplier (Schramm), Model of Relations. (Rosengren), Cultural Codes (Eisenstadt)
D. None of these
Answer: Option B
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