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 Nick Clegg's former policy director added: "Capability assessors too often have a culture of disbelief about disability, especially mental illness". Dr Paul Litchfield helped to design the WCA in 2006 and he later reviewed its performance for parliament. Of the design phase, he said: A review undertaken by occupational heath expert Professor Malcolm Harrington in 2010 found that the test was too reliant on "computer systems and drop-down menus" and "was not working as well as it should" — but he felt that the suggestions he was making would improve the process, if adopted by the DWP. In February 2011,