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The Bayley-III Cognitive and Language scales are good predictors of preschool mental test performance. [3] These scores are largely used for screening, helping to identify the need for further observation and intervention, as infants who score very low are at risk for future developmental problems. [3]
The Wechsler Preschool and Primary Scale of Intelligence (WPPSI) is an intelligence test designed for children ages 2 years 6 months to 7 years 7 months developed by David Wechsler in 1967. It is a descendant of the earlier Wechsler Adult Intelligence Scale and the Wechsler Intelligence Scale for Children tests. Since its original publication ...
Wechsler Adult Intelligence Scales 1981 Classification [73] IQ Range ("deviation IQ") IQ Classification Actual Percent Included Theoretical Percent Included 130 and above Very Superior 2.6 2.2 120–129 Superior 6.9 6.7 110–119 High Average 16.6 16.1 90–109 Average 49.1 50.0 80–89 Low Average 16.1 16.1 70–79 Borderline 6.4 6.7 69 and below
A language disorder is an impairment in the ability to understand and/or use words in context, both verbally and nonverbally. Some characteristics of language disorders include improper use of words and their meanings, inability to express ideas, inappropriate grammatical patterns, reduced vocabulary and inability to follow directions. One or a ...
Language Development Survey (LDS) – A subsection of the CBCL/1½-5. This form is completed by the child's parent or guardian and assesses whether the child's vocabulary is delayed relative to norms. Caregiver-Teacher Report Form (C-TRF) – To be completed by the child's daycare provider or preschool teacher.
The assessment of basic language and learning skills (ABLLS, often pronounced "ables") is an educational tool used frequently with applied behavior analysis (ABA) to measure the basic linguistic and functional skills of an individual with developmental delays or disabilities.
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The WISC is one test in a suite of Wechsler intelligence scales. Subjects 16 and over are tested with the Wechsler Adult Intelligence Scale (WAIS), and children ages two and half years to seven years and seven months are tested with the Wechsler Preschool and Primary Scale of Intelligence (WPPSI). There is some overlap between tests: children ...