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Peabody Picture Vocabulary Test - Revised (PPVT-R):
The Peabody Picture Vocabulary Test – Third Edition (PPVT-III) is an individually administered, untimed,
norm-referenced, wide-range test. It serves two purposes: (1) as an achievement test of receptive vocabulary
attainment for standard English; and (2) as a screening test of verbal ability. However, it can be used for this
second purpose only when English is the language of the examinee’s home, community, and school. The PPVT-R is
appropriate for individuals between the ages of 2½ and adulthood and measures receptive knowledge of vocabulary. It
is a multiple choice test requiring only a pointing response and no reading ability, thus making it useful for hearing
individuals with a wide range of abilities, particularly children with language based disabilities.
Columbia Mental Maturity Scale:
This test provides comprehensive measurement of the functional capacities that are basic to learning, problem-solving,
and responding to new situations. Twelve administrative units, measuring various aspects of mental ability, contribute
to a pattern of summary and derived scores (mental ages, intelligence quotients, standard scores, stanines, and percentile
ranks) that are interpreted within a framework of inter- and intra-individual differences. It serves both survey and
analytical purposes for educators, counsellors, psychologists, and employers in a wide variety of testing situations.
It can be used with children who have significant physical limitations. It is appropriate for children between the ages of
3½ years and 9 years, 11 months. The Columbia has a mean of 100, a standard deviation of 16, and can be interpreted using age
equivalents.
Leiter International Performance Scale:
This test is a nonverbal intelligence test which was originally designed for deaf children but is often used with a child
who cannot, or will not, communicate in a verbal way. Children who are too young to have developed language, children
whose primary language is not English, children who are deaf, of course, and children who are excessively shy and will not
talk, can all be tested with the Leiter. Interpretation of the results of this test, as in other intelligence tests, gives
an estimate of how well the child is able to learn.
This test is visually appealing to children and even the most obstinant child eventually enjoys manipulating the materials
in this test. The psychologist does not have to say anything to the child, but rather conveys what the child is to do by
demonstrating and making hand motions that even the youngest child can understand. Similarly, the child does not have to
respond verbally, but is able to move response blocks into their appropriate slots to demonstrate their understanding of
the concept being measured.
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