🌾 Diffusion and Adoption of Innovation

Agricultural extension is not only about sending messages. It is about how new ideas spread through communities and how individuals finally decide to accept or reject them. This wider process is explained through the concepts of diffusion and adoption of innovation.

Meaning of Diffusion

Diffusion is the process by which an innovation is communicated through certain channels over time among the members of a social system.

It is a special type of communication because the message concerns a new idea.

Meaning of Innovation

An innovation is an idea, practice, or object that is perceived as new by an individual or other unit of adoption.

The key point is perceived newness. An idea may be old in origin, but if it is new to the person considering it, it functions as an innovation.

Main Elements of Diffusion

The diffusion process is commonly explained through four elements:

1. Innovation

This is the new idea, practice, or object itself.

2. Communication Channels

These are the means through which information about the innovation moves from one person to another.

Examples:

• interpersonal channels
• mass media channels
• local channels
• outside or cosmopolite channels

3. Time

Time is involved in:

• how quickly a person moves from awareness to adoption
• how early or late a person adopts
• the overall rate of adoption in a community

4. Social System

The social system is the community or network of interrelated people and institutions within which the innovation spreads.

Perceived Attributes of Innovation

The speed of adoption is strongly influenced by how people perceive the innovation.

Relative Advantage

The degree to which the innovation is seen as better than what it replaces.

Compatibility

The degree to which it fits existing values, needs, and experience.

Complexity

The degree to which it is difficult to understand or use.

Trialability

The degree to which it can be tested on a limited basis.

Observability

The degree to which its results are visible to others.

In general, innovations spread faster when they are seen as advantageous, compatible, easy to use, trialable, and observable.

Innovation-Decision Process

The innovation-decision process is the series of stages through which an individual passes from first knowledge of an innovation to final adoption or rejection.

1. Knowledge

The person becomes aware of the innovation and gains some understanding of it.

2. Persuasion

The person forms a favorable or unfavorable attitude toward the innovation.

3. Decision

The person chooses to adopt or reject the innovation.

4. Implementation

The person actually puts the innovation into use.

5. Confirmation

The person seeks reinforcement for the decision already made and may continue, modify, or discontinue use.

Adoption and Discontinuance

Adoption means deciding to make full use of an innovation. Rejection means deciding not to adopt it.

Sometimes a person adopts first and later discontinues use. This may happen because:

• a better innovation appears
• the person becomes dissatisfied with performance

Adopter Categories

Not all people adopt at the same time. On the basis of innovativeness, adopter categories are usually described as:

• innovators
• early adopters
• early majority
• late majority
• laggards

These categories help extension workers understand how innovations move through society.

Innovators

They are venturesome, willing to try new ideas early, and usually more open to risk.

Early Adopters

They are respected local opinion leaders who adopt after the innovators but before most others.

Early Majority

They adopt before the average person but usually after some deliberation.

Late Majority

They adopt after much of the community has already accepted the innovation and often do so cautiously.

Laggards

They are the last to adopt and are usually most tied to traditional practices.

Importance in Extension Work

Diffusion and adoption concepts help extension workers:

• choose communication methods
• identify local opinion leaders
• understand why some innovations spread faster than others
• design better adoption support strategies

Extension is more effective when it recognizes both the social system and the psychology of adoption.

Summary Cheat Sheet

• Diffusion is the spread of an innovation through communication channels over time in a social system.
• An innovation is any idea, practice, or object perceived as new.
• The four main elements are innovation, communication channels, time, and social system.
• Adoption is influenced by relative advantage, compatibility, complexity, trialability, and observability.
• The innovation-decision process includes knowledge, persuasion, decision, implementation, and confirmation.
• Adopter categories are innovators, early adopters, early majority, late majority, and laggards.

References

1 source • [1]

[1]

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