Just 1.8 seconds. That's how long it took for students of teacher Lillian McDonald's second and third grade classes to obey McDonald's single command ("cover") during a drill at Phelps School in ...
Editor’s Note: Natalia Mehlman Petrzela (@nataliapetrzela) is an associate professor of history at The New School and the author of the book “Classroom Wars: Language, Sex, and the Making of Modern ...