The Most Common Model of the Process of the Diffusion

Multiple Choice

The most common model of the process of the diffusion of innovation is the epidemic or 'Scurve' model.This is useful, but is based on a number of unrealistic assumptions.Which of the these is not an assumption of the basic epidemic model?

A) The population consists of two different groups, adopters and imitators.
B) The population is homogeneous.
C) The population has perfect knowledge of the innovation.
D) Information is spread by contact and observation.