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 of policy from 2010 until 2015, declared: "We need to think again about how we assess work capability" because "capability assessors too often have a culture of disbelief about disability, especially mental illness". Parliament's Office of Science and Technology has analysed the WCA's performance; it found that "the number of fit-for-work decisions being overturned on appeal has led to questions about the reliability of the assessment process". Between 2011 and 2013, around 40% of claimants found 'fit for work' appealed to a tribunal and around 40% of those appeals were successful. A 2012 study of 28,000 tribunal hearings analysed the