The oral doctoral examination of Grace Visher, candidate for the Ph.D. degree will be held on Thursday, March 26, at 1:30p.m.

Visher’s advisor is Professor Joanna O. Masingila. The dissertation examining committee will be composed of Professors Nicole Fonger, Jack Graver, Jing Lei and Joseph Shedd. Professor William Wylie will serve as chair of the defense. The title of the candidate’s dissertation is: “An Investigation of Sixth-grade Students’ Conceptualization of Angle and Angle Measure: A Design Research Study of a Real-world Context.”