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 Portes, has described the use of the WCA to reassess long-term recipients of sickness benefits as "the biggest single social policy failure of the last fifteen years". The WCA's designers acknowledged that being found fit for work and ineligible for sickness benefit could, in some circumstances, harm a recipient's physical or mental health. For this reason, one of the WCA's eligibility criteria — the descriptor Substantial Risk — applies where there is, on balance, more than a small risk of harm if the claimant were to be declared 'fit for work'. The deployment of the WCA since 2010 has been