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The Leiter International Performance Scale is an intelligence test for children ages 2 to 18 in the form of a strict performance scale. The test purports to "provide a nonverbal measure of general intelligence by sampling a wide variety of functions from memory to nonverbal reasoning." Because of the exclusion of language, it claims to be more accurate than other tests when testing children who cannot or will not provide a verbal response, including children who are non native speaking, or have autism, traumatic brain injury, speech impairment, and hearing problems.

Scales and subscales include:


Sequential order
Repeated patterns
Design analogies


Paper folding
Figure rotation
Picture context
Form completion


Memory span (Forward)
Memory span (Backward)
Immediate recognition
Delayed recognition
Associative memory
Associative delayed memory
Spatial memory
Visual coding

Attention sustained (marking one kind of figures printed on a page with several different figures)
Attention divided (observing a display and simultaneously sorting cards correctly)
Synonyms: Leiter
Definition contributed by VSochat about four years ago

No relations have yet been associated.
Leiter International Performance Scale has been asserted to measure the following CONCEPTS
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DISORDERS associated with Leiter International Performance Scale
No associations have been added.

IMPLEMENTATIONS of Leiter International Performance Scale
No implementations have been added.
EXTERNAL DATASETS for Leiter International Performance Scale
No external datasets have been added.
No conditions have yet been associated.

Experimental conditions are the subsets of an experiment that define the relevant experimental manipulation.


In the Cognitive Atlas, we define a contrast as any function over experimental conditions. The simplest contrast is the indicator value for a specific condition; more complex contrasts include linear or nonlinear functions of the indicator across different experimental conditions.

No indicators have yet been associated.

An indicator is a specific quantitative or qualitative variable that is recorded for analysis. These may include behavioral variables (such as response time, accuracy, or other measures of performance) or physiological variables (including genetics, psychophysiology, or brain imaging data).

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