“…On the other hand, both the WG-SS and ACS substantially undercount those with mental health conditions ( Hall et al, 2022 ); with the WG-SS capturing only about 50 % of people with psychosocial disabilities ( Washington Group on Disability Statistics, 2020 ). Additionally, in line with the social model of disability ( World Health Organization, 2001 ); designers of some questionnaires have moved away from the use of the word “disability” ( Miller et al, 2011 ); while the single-item question specifically uses the word “disability.” Conversely, however, a recent survey study found that 39.2 % of respondents who answered “yes” to the question, “Do you have a disability?” did not answer “yes” to any of the ACS functional disability questions, indicating that a substantial portion of individuals identifying as having a disability are not captured by functional questions, and affirming previous findings from the NSHD ( Hall et al, 2022 , Salinger et al, 2023 ).…”