Repeating a question near-identically may cast the answerer as intellectually impaired

In this article I have my sights on near-identical repeat questions, as used by members of care-staff when they judge a person with an intellectual disability not to have answered a question satisfactorily. In fact, my interest is in a specific and, to my mind, particularly telling variant of such questions —their use when there is no (obvious) reason to suppose that the question has not been registered, or indeed answered, by the recipient...