Because the ADA covers perception of a disability, how people view those who stutter could be important. Many studies over the last few decades reveal there are negative perceptions and biases against those who stutter, including:nPeople who stutter are judged to be more submissive, tense, and insecure than their peers without a stutter.nThey are judged to be more guarded and nervous, have less cognitive ability, be less likable, have lower self-esteem, and be less socially adjusted.