Course Content
General Agriculture for Competitive Exams for TGT, PGT, TA, STA, IBPS AFO, etc.

Communication in Extension Education

Origin

  • Derived from Latin word “Communis” meaning common.
  • Communication = Transmission of ideas, information, emotions, and skills using symbols, words, figures, graphs, etc.

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πŸ“˜ Definitions

  • Leagans: β€œProcess by which two or more people exchange ideas, facts, feelings or impressions for common understanding.”
  • Rogers & Shoemaker (1971): β€œProcess by which message is transferred from a source to receiver.”
  • Van den Ban & Hawkins (1988): β€œSending & receiving messages through a channel to establish common meaning.”

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Nature of Communication

  • A dynamic, continuous, reciprocal process.
  • Includes 3 Phases: Expression β†’ Interpretation β†’ Response
  • Perfect communication is rare.

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Flow of Communication

  1. Downward – Superior to subordinate
  2. Upward – Subordinate to superior
  3. Horizontal – Same hierarchical level

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🎯 Purpose of Communication

  • Aristotle – Persuasion
  • Schramm (1968) – Immediate and delayed reward
  • Festinger (1957) – Consummatory & instrumental
  • Berlo (1960) – Behavior-centered (Influence)

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Functions of Communication

  1. Information – For understanding & adaptation
  2. Command/Instructive – Mainly in formal settings
  3. Influence/Persuasive – To change behavior
  4. Integrative – To maintain stability & identity

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Levels of Communication (Thayer)

  1. Intrapersonal – With oneself (e.g., reading newspaper)
  2. Interpersonal – Face-to-face, includes feedback
  3. Organizational – Within organizations
  4. Inter-organizational – Between organizations (e.g., MANAGE & IARI)

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Models of Communication

Model

Elements

Remarks

Aristotle

Speaker, Speech, Audience

First model, Persuasive

Lasswell

Who, Says What, In Which Channel, To Whom, With What Effect

One-way; useful in propaganda

Shannon & Weaver

Source, Transmitter, Signal, Receiver, Destination (Noise included)

Info Theory; suited for mass communication

Schramm

Source β†’ Encoder β†’ Signal β†’ Decoder β†’ Receiver

Mass media

Berlo (SMCR)

Source, Message, Channel, Receiver

Behavioral focus

Leagans (1963)

Communicator, Message, Channel, Treatment, Audience, Response

Best for Extension

Rogers & Shoemaker

Source β†’ Message β†’ Channel β†’ Receiver β†’ Effect

Communication + Diffusion

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Theories of Communication

  • Linguistic Theory – Williams: Meanings are in people, not words
  • Psycholinguistics Theory – Code behavior
  • Mass Comm. Theory – DeFleur
  • Balance Theory – Heider
  • Role Taking Theory – George Mead
  • “Medium is the Message” – McLuhan
  • Communication IQ – Bhajna
  • Communication Competency – Hymes
  • Key Communicator Concept – Lazarsfeld

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Senses Used in Communication (Haas & Parker, 1964)

Sense

Contribution

Sight

87%

Hearing

7%

Smell

3.5%

Touch

1.5%

Taste

1%

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πŸ“¬ Elements of Communication (Leagans Model)

  1. Communicator – Sender, credible, e.g., Extension agent
  2. Message – Timely, Specific, Credible
  3. Distortion Types (Kirk): Systematic, Fog, Mirage
  4. Channel – Bridge for message
    • Types:
      • Personal Localite – Villagers, leaders
      • Personal Cosmopolite – Extension agents
      • Impersonal Cosmopolite – Mass media
    • Contact: Individual, Group, Mass
  5. Audience Response – Final goal of communication
  6. Feedback – Audience reaction β†’ Communicator

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Communication Statistics

  • Verbal communication distortion – ~30%
  • Time spent on verbal communication – ~70%

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  • Q: From which Latin word is the term “Communication” derived? Communis, meaning “common”.
  • Q: Who said “The purpose of communication is to influence”? Berlo (1960).
  • Q: According to Aristotle, what is the prime goal of communication? Persuasion.
  • Q: Who proposed the two-step flow model of communication? Lazarsfeld.
  • Q: Who gave the concept of “Key Communicator”? Lazarsfeld.
  • Q: What is the percentage contribution of sight in communication, as per Haas & Parker (1964)? 87%.
  • Q: Which model of communication includes the elements: Source, Message, Channel, Receiver, Effect? Rogers and Shoemaker Model.
  • Q: What is the most popular method to identify key communicators in a village? Sociometric Method.
  • Q: Who gave the first model of communication? Aristotle.
  • Q: What is the art of communication? Listening.
  • Q: Who said “Medium is the message”? McLuhan.
  • Q: Which model introduces the concept of ‘Noise’ in communication? Shannon and Weaver Model.
  • Q: Who gave the dimensions of message as Code, Content, and Treatment? Berlo.
  • Q: What is the terminating element in the communication process? Audience response.
  • Q: What are the three phases involved in every act of communication? Expression, Interpretation, Response.
  • Q: What are the 3 types of communication distortions according to Kirk? Systematic, Fog, Mirage.
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