Motor-Free Visual Perception Test-4

Ronald P. Colarusso
Donald D. Hammill, Ed.D.

    Technical Information

    The MVPT-4 includes new norms for ages 4-0 through 80-0+ years. Data was collected from 2012-2014 on a national, stratified sample of more than 2700 individuals. Results of reliability and validity studies are provided in the manual, as well as performance comparisons with clinical populations.

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    About the Author

    Donald D. Hammill
    Donald D. Hammill received his doctorate in educational psychology-special education from the University of Texas at Austin in 1963. He had previously served as a teacher in the Corpus Christi (Texas) public schools and as a speech and language therapist in the Deer Park (Texas) public schools. He earned a certificate of clinical competence from the American Speech and Hearing Association in 1963. From 1963 to 1965, he held an assistant research professorship at the Institute of Logopedics at Wichita State University in Kansas, where he studied the language problems of children with brain damage. In 1965 he went to Temple University in Philadelphia, where he became professor of special education. He resigned from Temple in 1972 in order to return home to Texas.
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Ronald P. Colarusso &
Donald D. Hammill, Ed.D.

Age Range
4 to 70+

Administration Time 25 minutes

Administration Type Individually-completed

Qualification Level B