Criticism of the Work Capability Assessment oversaw the study" and named the lead experts as a professor of psychiatry, a consultant psychiatrist in learning disability, a professor of rheumatology, and an expert in human resources. The review's conclusion was that "the WCA produced consistent results on the whole, and is an accurate indicator of work capability compared with expert opinion". But the following year the firm that had carried out millions of WCAs on behalf of the DWP since 2008 said it had come to the conclusion that "in its current form, the WCA is not working for claimants, for DWP or for Atos Healthcare". The
Criticism of the Work Capability Assessment United Nations Committee on the Rights of Persons with Disabilities said in 2016 that despite previous modifications to the WCA, it still paid too little attention to "personal circumstances and needs, and barriers faced by persons with disabilities to return to employment, particularly those of persons with intellectual and/or psychosocial disabilities". In its reply to the United Nations, the DWP stressed the efforts it was making to bridge the 'disability gap' and boost the number of disabled people in work. In 2016, Iain Duncan Smith described the WCA as having been "unbelievably harsh" when introduced under New Labour; the Labour