Wanda Balla

Date of Award


Degree Name

Specialist in Education



First Advisor

Dr. Howard E. Farris

Second Advisor

Dr. Galen Alessi

Third Advisor

Dr. Steven Ragotzy

Access Setting

Masters Thesis-Open Access


A group of 20 trainably mentally impaired students, ages 6-24, was randomly assigned to two groups, one of which received the Peabody Picture Vocabulary Test-Revised (Dunn & Dunn, 1981), manual administration, and the other a computer-assisted version, which required a switch closing response. Two weeks later, the order of administration was reversed. The results showed a difference of - 1.73 points in the manual to computer administration, and a -3 point difference from computer to manual administration. Overall difference between both administrations was -2.36 points, favoring the manual administration. Recommendations include systematic evaluation and/or training of TMI or lower- functioning students before using a method of evaluation requiring this type of response.