This is a great article in HR magazine on the increasing movement towards evidence based initiatives. Important and imperative in my opinion.
http://www.hrmagazine.co.uk/hr/features/1149084/evidence-hr-microscope?utm_content=&utm_campaign=HR%20magazine%20news%2012%20January%202015&utm_source=HR%20Magazine&utm_medium=adestra_email&utm_term=http%3A%2F%2Fwww.hrmagazine.co.uk%2Fhr%2Ffeatures%2F1149084%2Fevidence-hr-microscope