Before revision: This approach to persuasive communications was first studied by Carl Hovland and his colleagues at Yale University .Aronson, Elliot, Timothy D. Wilson, and Robin M. Akert.
After revision: during World War IIThis approach to persuasive communications was first studied by Carl Hovland and his colleagues at Yale University .Aronson, Elliot, Timothy D. Wilson, and Robin M. Akert.