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
Incapacity Benefit medical assessments using a new semi-structured interview technique, with the findings recorded in digital format. This meant that from 2008, most new claims were scrutinised by a healthcare professional; those whose claims reached the threshold for eligibility were granted ESA - either shortly after the initial assessment, following an internal review of the initial decision, or after an external appeal. After the introduction of ESA, the number of remaining Incapacity Benefit recipients dwindled (largely as people came off the benefit for reasons such as reaching the State Pension age): by early 2011, the Incapacity Benefit caseload had shrunk by more