Colin Wayne Leach is a social psychologist who also wears a bunch of other social science hats. He approaches the social world by appreciating its nature as a system of interconnected parts. He’s made strides in a lot of research areas, including emotion, prejudice, and morality. In our conversation, we focus on his work on protest as a vehicle for social change. He shares how he...
Dr. Richard Petty is a professor of psychology at Ohio State University. He’s probably best known for co-developing the Elaboration Likelihood Model (ELM) of persuasion (but he’s done a lot of other stuff, too). He was also my advisor in grad school. In the last episode of Opinion Science, Rich lent his voice to telling the story of the ELM. Go check that out...
In the 1980s, two social psychologists–Rich Petty and John Cacioppo–devised a new way to make sense of persuasion: the Elaboration Likelihood Model. Their work came on the heels of an era in psychology when people were fed up with persuasion research. The old studies were a mess, and it wasn’t clear if it was even possible to understand how persuasion works. In the course of...
