It posits that the messages and themes that are repeated on television or other forms of media shape people’s attitudes and beliefs about the world around them, even if they are aware that the messages are not entirely true or representative of reality.

It seems like you're describing the Cultivation Theory, but you didn't ask a question. The Cultivation Theory is a social theory which examines the long-term effects of television. "The primary proposition of cultivation theory states that the more time people spend 'living' in the television world, the more likely they are to believe social reality aligns with reality portrayed on television."

Here's a step-by-step breakdown of the theory:

1. Exposure: People are exposed to countless messages and themes on television on a daily basis. This can range from news broadcasts to sitcoms, reality shows, and advertisements.

2. Cultivation: Over time, these messages and themes can subtly influence and shape a person's perceptions of reality. This is especially true if the person spends a significant amount of time watching television.

3. Perception: Even if the person is aware that these messages and themes are not entirely true or representative of reality, they can still influence their attitudes and beliefs. This is because the constant repetition of these messages can make them seem more 'real' and 'normal'.

4. Influence: This can lead to a phenomenon known as 'mean world syndrome', where people who watch a lot of television are more likely to believe that the world is more dangerous than it actually is. This is because violence and crime are common themes in many television shows.

5. Outcome: The end result is a society where people's perceptions of reality are heavily influenced by the media they consume. This can have significant implications for a wide range of social issues, from public policy to personal behavior.