Columbia subject headings:
Educational surveys--United States.
School administrators--United States--Statistical methods.
School management and organization--United States--Statistical methods.
Teachers--United States--Statistical methods.
Harvard subject headings:
Educational surveys--United States.
School administrators--United States--Statistical methods.
School management and organization--United States--Statistical methods.
Teachers--United States--Statistical methods.
Princeton subject headings:
Educational statistics.
Educational surveys--United States--Statistical methods.
Social surveys--Response rate--United States.