UMSL students (from left) Chris Jaros, Kevin Arendt, Jeff Sjerven, Zach Willmer, and Gen Onuma watch the St. Louis Cardinals beat the Cincinnati Reds 1-0 on opening day.

UMSL students (from left) Chris Jaros, Kevin Arendt, Jeff Sjerven, Zach Willmer, and Gen Onuma watch the St. Louis Cardinals beat the Cincinnati Reds 1-0 on opening day.
UMSL students (from left) Chris Jaros, Kevin Arendt, Jeff Sjerven, Zach Willmer, and Gen Onuma watch the St. Louis Cardinals beat the Cincinnati Reds 1-0 on opening day.
UMSL students (from left) Chris Jaros, Kevin Arendt, Jeff Sjerven, Zach Willmer, and Gen Onuma watch the St. Louis Cardinals beat the Cincinnati Reds 1-0 on opening day.
Grossman and his research collaborators found motivated reasoning as one of the root causes of why invitees so often respond to invitations with ‘maybe’ instead of a definitive ‘yes’ or ‘no.’