An Email-Writing Intervention for Adults with Intellectual Disability Using an Email Checklist and ChatGPT

Writing is an important skill that helps individuals to convey their thoughts, ideas, and emotions to others.One important writing task is email writing.Individuals with intellectual disability may face challenges in expressing themselves fully through language, particularly in the form of emails.This study used an ABAB single-case withdrawal design to evaluate the effects of an email-writing intervention for two adults with intellectual disability.Maintenance and generalization phases were conducted to examine whether participants could maintain their emailwriting skills and apply those skills to different email scenarios.The interventionist provided five email-writing lessons focused on five workrelated request scenarios.The interventionist modeled each step on an email checklist and demonstrated how to use ChatGPT to aid in revising emails.Data were analyzed through visual analyses and calculation of Tau-U effect sizes.The results of the intervention suggest that it was effective in teaching individuals with intellectual disability to write emails.