title: Estimates of category width by students in regular and special education.
mesh_terms: D000293:Adolescent; D000342:Affective Symptoms / Q000523:psychology; D003210:Concept Formation; D004193:Discrimination Learning; D004519:Education, Special; D006801:Humans; D008607:Intellectual Disability / Q000523:psychology; D007859:Learning Disabilities / Q000523:psychology