Criticism of the Work Capability Assessment the "written" guidance contained in the 255-page instruction manual issued to all assessors: The foreword to the WCA Handbook states: On 22 July 2013, the DWP announced that all Atos WCA assessors would be retrained, as part of a "quality improvement plan" that followed "a DWP audit which identified an unacceptable reduction in the quality of written reports produced following assessments." In 2006, the New Labour government set out its plans for welfare reform: over the course of a decade, it expected the deployment of the WCA to shrink the number of people on out-of-work sickness benefits by one million,
Criticism of the Work Capability Assessment Portes, has described the use of the WCA to reassess long-term recipients of sickness benefits as "the biggest single social policy failure of the last fifteen years". The WCA's designers acknowledged that being found fit for work and ineligible for sickness benefit could, in some circumstances, harm a recipient's physical or mental health. For this reason, one of the WCA's eligibility criteria — the descriptor Substantial Risk — applies where there is, on balance, more than a small risk of harm if the claimant were to be declared 'fit for work'. The deployment of the WCA since 2010 has been