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For the past week, protesters have filled the streets of cities and towns across the United States

and even in some locations

abroad. People from across the political spectrum of all races, ages, and backgrounds are joining

in demanding an end to racism in response to the police killing of George Floyd in Minneapolis.

Major companies are posting messages of support for racial equality, and while some demonstrations have been marred by violence and looting, most of the protests and protesters are peaceful.

Why is this happening right now? What has made this moment ripe for collective action on this scale?

What are the psychological forces that are driving people, even in the midst of the COVID-19 pandemic,

to turn out in such numbers and in so many places?

Welcome to Speaking of Psychology, the flagship podcast of the American Psychological Association

that looks at the connections between psychological science and everyday life.

I'm Kim Mills.

I'm speaking today with Dr. Lauren Duncan, a professor

of psychology at Smith College, who studies what motivates some people to try to change society,

while others are happy with the status quo. While she didn't exactly write the book on the

psychology of collective action, she did write the chapter of that name for the Oxford

...