The survey will be repeated next year to measure change across Europe's schools.

BBC: RELATED BBC SITES

It's notoriously hard to measure output from across government.

BBC: Making up lost ground

As a device Natal is a thin bar about 12 inches across, with sensors that measure a room's depth, the available light and the size and motion of up to two gamers standing in front of the machine and multiple players taking turns.

FORBES: Videogames

Taken at schools across England and Wales, the tests aim to measure children's abilities in the key subjects of English (and Welsh, where applicable), mathematics and - for the 11 and 14-year-olds - science.

BBC: Tests - a guide for parents

Adobe SiteCatalyst, Adobe's flagship digital analytics solution, will enable NBC to measure user traffic and engagement across both apps for live video streams, ads and video-on-demand (VOD) content for all iOS and Android devices.

ENGADGET: NBC's 2012 London Olympics second screen and streaming apps for Android and iOS launch today

The entire Olympics mobile and tablet experiences were built by and are powered by technologies that make up Adobe's Project Primetime, enabling NBC Olympics to create, deliver, verify, monetize and measure the Games across mobile and tablet devices.

ENGADGET: NBC's 2012 London Olympics second screen and streaming apps for Android and iOS launch today