Glossary

Searchable terminology from accessibility, web standards, and related fields.

7 results found in intellectual disability.

Borderline Intellectual Functioning (BIF, borderline intellectual disability, slow learners)
A condition describing individuals with IQ scores roughly between 70 and 85—above the diagnostic threshold for intellectual disability (IQ below 70) but below the neurotypical range. Representing abou…
Easy Language (Easy-to-Read, Leichte Sprache, Easy Read, Einfache Sprache)
A simplified form of written language designed to make information accessible to people with reading difficulties, including those with intellectual disabilities, prelingual hearing impairments, learn…
Errorless Learning (Errorless Teaching, Error-Free Learning)
Errorless learning is a teaching methodology that structures tasks so that learners are guided toward correct responses and prevented from making mistakes during the learning process. In accessible te…
Fragile X Syndrome (FXS, Martin-Bell Syndrome)
A genetic condition caused by a mutation in the FMR1 gene on the X chromosome, making it the most common inherited cause of intellectual disability and the most common known single-gene cause of autis…
Intellectual and Developmental Disability (IDD, Intellectual Disability, Developmental Disability)
A group of conditions characterised by significant limitations in both intellectual functioning (reasoning, learning, problem-solving) and adaptive behaviour (everyday social and practical skills), wi…
Reverse Inclusion
A design approach that begins with the lived experience and needs of a person with a disability and then expands the design outward to include broader social circles and communities. Reverse inclusion…
Severe and Multiple Disabilities (Profound and Multiple Learning Disabilities, PMLD, Severe Multiple Disabilities)
A condition where an individual has two or more significant disabilities occurring simultaneously, typically involving profound physical impairments combined with intellectual disability and often sen…