Can we have both reliability and validity?

In the post-GCSE crisis world of public examinations in England what is needed is a testing regime that rewards a broad range of knowledge, understanding and skills, and one that acknowledges that teachers have a vital role to play in making such judgements says Ian Power, Membership Secretary, HMC

Read more and add your thoughts on the HMC blog

(http://www.hmc.org.uk/hmc-blog)