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Related Concept Videos

Intellectual Disability01:29

Intellectual Disability

Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...
Intelligence01:27

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The term "intelligence" is complex because it refers to both behavior and individuals, and its interpretation varies across cultures. European Americans tend to link intelligence with reasoning and cognitive skills, while in Kenya, it is tied to responsible participation in family and social life. In Uganda, intelligence is seen as the ability to know the right actions and carry them out effectively, while the Iatmul people of Papua New Guinea associate it with the capacity to remember detailed...
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Intelligence is often thought to be linked to brain size, but the relationship is more complex than that. While brain size does correlate modestly with some abilities, like verbal skills, the connection is weaker for others, such as spatial reasoning. Other factors, like brain structure, also play crucial roles. For instance, despite Einstein's smaller-than-average brain, his parietal cortex, which is involved in spatial reasoning, was 15% wider, suggesting that neural density might matter more...
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Despite the strong genetic influence on traits like intelligence, environmental factors significantly shape outcomes. For example, while over 90% of height variation is due to genetic differences, environmental factors such as nutrition also have a notable impact. Similarly, for intelligence, changes in a child's surroundings can significantly alter their IQ. Research shows that enriched environments boost children's academic success and help them develop key cognitive skills. Children from...
Measures of Intelligence01:29

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Psychologists measure intelligence by using standardized tests that produce a score known as the intelligence quotient or IQ. To understand IQ tests, it's important to recognize the key principles behind their construction: validity, reliability, and standardization.
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Intelligence is as intelligence does: can additional support needs replace disability?

Samuel R C Arnold1, Vivienne C Riches, Roger J Stancliffe

  • 1Centre for Disability Studies, The University of Sydney, Australia. samarnold@med.usyd.edu.au

Journal of Intellectual & Developmental Disability
|October 14, 2011
PubMed
Summary
This summary is machine-generated.

This study questions the traditional use of IQ scores for diagnosing intellectual disability. It proposes a new paradigm focusing on assessing an individual's support needs instead of fixed IQ measurements.

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10:26

Problem-Solving Before Instruction (PS-I): A Protocol for Assessment and Intervention in Students with Different Abilities

Published on: September 11, 2021

Area of Science:

  • Psychology
  • Disability Studies
  • Educational Measurement

Background:

  • Traditional IQ testing assumes IQ equates to intelligence, but this is challenged by theories of multiple and emotional intelligences.
  • IQ tests have limitations, including floor effects and applicability across diverse cultural groups and individuals with disabilities.
  • Current practices use IQ cut-offs for intellectual disability classification, despite research highlighting testing limitations.

Purpose of the Study:

  • To critically evaluate the validity and application of IQ testing in diagnosing intellectual disability.
  • To explore the limitations of IQ scores, particularly for individuals with lower IQ scores and diverse populations.
  • To advocate for a paradigm shift towards assessing support needs rather than relying solely on IQ scores.

Main Methods:

  • Literature review of IQ testing, theories of intelligence, and disability classification.
  • Analysis of research on IQ test limitations, including floor effects and the Flynn effect in lower IQ populations.
  • Conceptual exploration of a support-needs-based assessment model.

Main Results:

  • IQ testing's measurement of intelligence is questioned due to diverse theories and cultural applications.
  • Research indicates IQ tests have limitations, such as floor effects, impacting accuracy for individuals with lower IQ.
  • The Flynn effect also applies to individuals with lower IQ, further complicating static score interpretation.

Conclusions:

  • The current reliance on IQ scores for diagnosing intellectual disability is problematic and requires re-evaluation.
  • A new paradigm, focusing on an individual's required supports, offers a more nuanced and equitable approach to disability assessment.
  • Diagnosis could shift from 'intellectual disability' to 'additional intellectual support needs'.