Fisheries Extension Education (2+1)

4.5.1 Introduction

All individuals in a social system do not begin to adopt an innovation at the same time rather they adopt it in an ordered time sequence. On the basis of when they first begin using a new idea, they are classified into adopter categories.

The adoption of an innovation over time follows a normal, bell-shaped course when plotied over time on a frequency basis. It the cumulative number of adopters is plotted, it results in an ‘S’ shaped curve.