<span>Jean Piaget was a Swiss cognitive psychologist who focused on how humans organize their thinking into patterns or schemes. He was an expert in the changes and stages of child mental development. He described the process of acting upon a stimulus based on existing patterns of thought as <u>assimilation</u>.</span>
B is the answer to this question
Answer:
60 years
Explanation:
umm. he was born 60 years ago (1961)
concealed propaganda is where the person reading the propaganda does not know what the poster will make them do, but the people who made the poster do. For example during the war concealed propapganda would be hints on a piece of paper on the wall... "join the war, you the only man who hasn't"
