Pr Models - Kamilla [081-094] -

: Used heavily by government agencies and non-profits, this model prioritizes the dissemination of honest and accurate information . It is still one-way, but unlike press agentry, it values truth over persuasion.

If you are looking to prepare an article based on the foundational (often cited alongside such references), here is a structured breakdown. The Evolution of Public Relations Models

: This model uses scientific research to persuade the audience. It is "asymmetrical" because the communication is imbalanced—the organization uses feedback to understand how to better influence the attitudes of its stakeholders for its own benefit.