Criticism of the Work Capability Assessment group of experts — a professor of psychiatry, a consultant psychiatrist in learning disability, a professor of rheumatology, and an expert in human resources — reviewed the WCA in 2013 and concluded that "the WCA produced consistent results on the whole, and is an accurate indicator of work capability compared with expert opinion". But in the year that the study was published, the firms running back-to-work training for people on ESA said they had "ongoing concerns about the accuracy of the WCA". And in 2014, Atos announced that it had come to the conclusion that "the WCA is not working
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,