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
Work Capability Assessment upheaval in the testing process, a Green Paper provided more evidence that a "de facto" outcome target had been in operation during the first part of the Incapacity Benefit reassessment programme. In 2016, the government conceded that: In December 2016, the DWP released data on outcomes covering the first quarter of that year: then, for the small number of Incapacity Benefit recipients undergoing a WCA for the first time, the percentage being placed in the Support Group after their assessment was 87%, while 39% of "new" claimants qualified for the Support Group immediately after their WCA. Professor Dame Carol Black