Contribution of a post-secondary academic enrichment program on cognitive abilities of adults with severe intellectual disability using an e-book.
A college sociology class on an iPad raised academic knowledge and both kinds of IQ scores in adults with severe intellectual disability.
01Research in Context
What this study did
Researchers gave the adults with severe intellectual disability a real university class. The course was Introduction to Sociology delivered on an iPad e-book.
Classes ran twice a week over the study period. Staff used the Ecological-mediational Strategies Model: pictures, videos, discussion, and lots of practice quizzes.
A matched control group stayed in their regular day program. Both groups took pre and post tests of academic facts, word knowledge, and problem-solving.
What they found
The PSE group gained 22 points on academic knowledge; the control group stayed flat. Word knowledge (crystallized IQ) rose 8 points for the class takers and fell 3 points for controls.
Fluid reasoning scores also inched up for the university group while they dipped for controls. Teachers said students talked more and asked better questions by the end.
How this fits with other research
Ching-Hsiang et al. (2010, 2009, 2014) show that simple tech tweaks—mouse-wheel pokes, on-screen keyboards—let people with motor and intellectual disabilities use computers. Hefziba adds academic content to that access.
Storch et al. (2012) taught caregivers how to brush clients’ teeth. Both studies educate adults with ID, but Hefziba aimed the lesson at the students themselves, not the staff.
Kahng et al. (1999) used habit reversal to stop nail-biting. Hefziba flips the focus from fixing behavior to growing knowledge, showing learning goals are just as valid.
Why it matters
If you serve adults with severe ID, you can now point to hard evidence that university-level material is not too hard. Ask your local college about auditing a class, load the text on a tablet, and break lectures into 10-minute chunks with photos and quick quizzes. The cognitive boost may be small, but even a few IQ points mean richer conversations and more choices for your clients.
Want CEUs on This Topic?
The ABA Clubhouse has 60+ free CEUs — live every Wednesday. Ethics, supervision & clinical topics.
Join Free →Download a free e-book on a topic your clients like, show one page, ask one question, and give praise for any answer.
02At a glance
03Original abstract
UNLABELLED: We investigated the impact of participation in post-secondary university education (PSE) on the academic knowledge of adult students with severe intellectual disability and extensive support needs (SIDESN) vs. a similar group of controls who did not participate in PSE. We also examined whether the PSE would result in a "near transfer" to basic crystallized (facts and information) and fluid (problems involving executive functions and working memory) cognitive abilities, the contribution of background characteristics and crystallized and fluid abilities to their academic knowledge, semantic fluency and temporal relations. METHOD: Nine adults with SIDESN (aged 27-58) participated in an Introduction to Sociology course using an Ecological-mediational Strategies Model that included use of an e-book while 10 other adults served as the control group. An academic knowledge test according to Bloom's taxonomy as well as crystallized and fluid cognitive tests were administered at Time 1 (pre-course) and Time 2 (post-course). FINDINGS: MANOVAs indicated improvement in academic knowledge and a "near transfer" to crystallized and fluid tests in the PSE group at Time 2, versus stability or decline in the controls. Chronological age and the PSE program contributed to the EPV of the improvement in the knowledge test, semantic fluency and temporal relations. CONCLUSIONS: Despite the small sample size, our findings indicated that academic PSE programs using technology hold potential for improving academic knowledge and cognitive abilities of crystalized and fluid types in adults with SIDESN, supporting the Compensation Age Theory, Enrichment Theory, and the Ecological-mediational Strategies Model that were developed for acquiring academic material for this special group.
Research in developmental disabilities, 2025 · doi:10.1016/j.ridd.2025.104921