“Former vice president Joe Biden is now the presumptive Democratic nominee for president — after a primary involving months of campaigning, 28 Democratic candidates and over $1 billion in ads," he writes. "Did any of that affect the result? Not much, our research suggests — but they weren’t meaningless.”
Serge Petchenyi/Cornell University
The "Improving STEM Learning and Pedagogical Assessment" innovation project focused on creating an equitable environment for students to work in teams.
