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
Employment and Support Allowance describe this idea and referred to it in-house as "the AME-DEL switch". In July 2008 a Green Paper was published, which James Purnell said was "inspired by the reforms proposed by David Freud". It declared that "between 2009 and 2013, all Incapacity Benefit claimants will be reassessed using a medical assessment called the Work Capability Assessment" that would divide them into three groups: fit for work; unfit for work but fit for "work-related activity"; or fit for neither. In the same month, Professor Paul Gregg was asked by the DWP to conduct a feasibility study of "conditionality" - a compulsory