BRIGHAM YOUNG UNIVERSITY As chair of the candidate's graduate committee, I have read the thesis of Laurel B. Hornberger in its final form and have found that (1) its format, citations, and bibliographical style are consistent and acceptable and fulfill university and department style requirements; (2) its illustrative materials including figures, tables, and charts are in place; and (3) the final manuscript is satisfactory to the graduate committee and is ready for submission to the university library. Date Ramon B. Zabriskie Chair, Graduate Committee