comparison of the distribution and variability of chronological age and mental age among 3500 boys and girls in grades I-XII of Preble County, Ohio
By: by Ellis Bennett Owen
Published: 1934
Language: eng
Number of pages: 71
Subjects: School age (Entrance age); Educational tests and measurements
Notes: Typescript (photocopy)

Thesis (M.A.)--Miami University, [Dept. of Education], 1934

Includes bibliographical references