Oriel Williams (left) was one of many UMSL students to give up her day off Monday to participate in the university’s MLK Day of Service.

Oriel Williams (left) was one of many UMSL students to give up her day off Monday to participate in the university’s MLK Day of Service.
Oriel Williams (left) was one of many UMSL students to give up her day off Monday to participate in the university’s MLK Day of Service.
Oriel Williams (left) was one of many UMSL students to give up her day off Monday to participate in the university’s MLK Day of Service.
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.’