Students in One Section of a Class Were Assigned Deadlines

Multiple Choice

Students in one section of a class were assigned deadlines for their paper assignments, while students in the other section were allowed to set their own deadlines (but then had to meet those deadlines) . The results of this study indicated that

A) students who were allowed to set their own deadlines received higher grades than students with assigned deadlines.
B) students who chose the last day of class as the deadline for all three papers received the highest grades.
C) students with assigned deadlines received higher grades for their papers than students who chose the last day of class as their own deadline.
D) deadlines had no effect on performance.