What is Wechsler Nonverbal Scale of Ability?
Wechsler® Nonverbal Scale of Ability (WNV™) is a nonverbal measure of ability for culturally and linguistically diverse groups. It is ideal for psychologists who need a nonverbal measure of ability for individuals who are neither English-language nor Spanish-language proficient, or have other language considerations.
What is the test of nonverbal intelligence?
The Test of Non-verbal Intelligence (TONI-4) assesses 2 components of intelligence – abstract reasoning and problem solving. You can respond with simple gestures such as pointing, nodding, or blinking, so the test is ideal for evaluating those with limited language, hearing or motor abilities.
What does spatial span WNV measure?
The spatial span subtest measures working memory with visual– spatial stimuli. It consists of having the examinee repeat a sequence of tapping on different blocks in the same order as demonstrated by the examiner (forward) and tapping them in backward sequence (backward) as directed.
What does Matrices subtest measure?
Matrix Reasoning measures visual processing and abstract, spatial perception and may be influenced by concentration, attention, and persistence. Matrix Reasoning is an untimed core Perceptual Reasoning subtest. Children are shown colored matrices or visual patterns with something missing.
When was the WAIS IV published?
2008
The original WAIS (Form I) was published in February 1955 by David Wechsler, as a revision of the Wechsler-Bellevue Intelligence Scale. The fourth edition of the test (WAIS-IV) was released in 2008 by Pearson.
What is Wechsler Intelligence Scale for children 4th Edition?
The WISC-IV measures intellectual ability of children from 6 to 16 years. It was developed to provide an overall measure of general cognitive ability, and also measures of intellectual functioning in Verbal Comprehension (VC), Perceptual Reasoning (PR), Working Memory (WM) and Processing Speed (PS).
What is a spatial span test?
The Spatial Span Task is a behavioral measure of working memory capacity, the cognitive ability to store and manage information on a transient basis. It is an analog to the Digit Span Task. On each trial participants are presented with an array of geometric shapes such as white squares appearing on a computer screen.
What does the Wechsler Intelligence Test measure?
The Wechsler Scales provide an estimate of global intellectual ability (Full Scale IQ) and four Composites: Verbal Comprehension Index (VCI), which measures the application of verbal skills and information to problem solving; Perceptual Reasoning Index (PRI), which measures the ability to engage in nonverbal reasoning …
What is the difference between coding and symbol search?
Coding, which requires children to draw symbols, is heavily influenced by grapho-motor demands. Symbol Search has less emphasis on motor output but requires rapid differentiation of abstract symbols.
