Criticism of the Work Capability Assessment assessments. On the same day, an Atos spokesman made it clear that the training curriculum was set by the DWP and duly followed by Atos, stating: "We do not deviate from government guidelines in our training". The Employment Minister was asked by the BBC about the allegations of bias but he replied with a general explanation of the principles underpinning the Incapacity Benefit reassessment programme. Tom Greatrex MP wrote to the Prime Minister to bring to his attention the whistleblower's allegations that the core assessment was "skewed against the claimant". Downing Street made no reply but simply passed the letter
Incapacity Benefit and cognitive descriptors" but the DWP's own doctors were not convinced by the evidence presented. The department decided to set up an 'evidence-based review' to look in more detail at the proposed changes, which concluded that the existing criteria "produced consistent results on the whole" and that the WCA was already "an accurate indicator of work capability as compared with expert opinion". DWP ministers replaced Professor Harrington once he had submitted his third annual report in 2012. In 2013, "The Guardian" quoted Professor Harrington as saying: "I would have preferred to do a roll-out [the IB reassessment] in the second