Date of Award


Document Type


Degree Name

Master of Arts (MA)



First Advisor

Dr. Barry Johnston


The following pages contain a statistical evaluation of The Differential Test of Spelling Ability constructed by the staff of The Reading Laboratory, University of Omaha. The major hypothesis of this instrument is that a person's spelling disability may be in say one or all four areas of spelling dynamics. This test was constructed under the supposition that it is possible to discriminate between the four types of spelling ability in which the student may be deficient. The data obtained from the test results as to the student's disability, if any, may be used to tutor him in his deficient areas. The purpose of the present evaluation is to determine whether the instrument does or does not discriminate between the four assumed types of spelling disability. The purpose of the test is to provide a basis for differential treatment of the spelling disabilities among college and high school students.


A Thesis Presented to the Faculty of the Department of Psychology University of Omaha In Partial Fulfillment of the Requirements for the Degree Master of Arts. Copyright Jon Daniel Hannum July, 1961

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