The relation between Wechsler Performance Quotients and quotients on the Snijders-Oomen Non-Verbal Intelligence Scale

This paper examines the relationship between results of the Wechsler-Bellevue Performance Test of Intelligence and the Snijders-Oomen Non-Verbal Intelligence Scale (SONS) as given to hearing-impaired students at Central Institute for the Deaf.

An assessment of the nonverbal test of cognitive skills for use with hearing impaired children

This paper discusses a study to assess the usefulness of the Non-Verbal Test of Cognitive Skills on hearing impaired children.