It does mean that the scientific evidence needs to be evaluated rigorously and dispassionately by people who do not feel they know the answer but whose sole goal is the accurate assessment of the evidence.

FORBES: How Activism Distorts The Assessment Of Health Risks

Among witnesses invited to give evidence are Lady Warnock herself and two parents of children with special needs who have been vocal critics of current policy: Julie Maynard and Maria Hutchings.

BBC: NEWS | UK | Education | Tories set up special needs probe