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
Criticism of the Work Capability Assessment that it was "an accurate indicator of work capability compared with expert opinion". Conversely, Kent University academic Ben Geiger has made international comparisons of the test: he found “no transparent evidence that the WCA captures the demands of work in Britain today". In practice, experience has shown that the WCA usually identifies these types of claims correctly: However, the process has largely struggled to categorise claims correctly if they fall between these two extremes, particularly where mental health is concerned. In fiscal terms, the deployment of the WCA was expected to more than halve the sickness benefit bill over the