According to the Smarter Balanced Assessment Consortium, their field tests,
the final experimental phase of test development, measure «the performance of more than 20,000 assessment items and performance tasks.»
Premiered at Tate Britain in September 2014 and heralded by critics across the U.K. as «an exciting, entrancing show» (The Guardian) and «sensational» (London Evening Standard), J.M.W. Turner: Painting Set Free focuses on the
final and most
experimental phase of the artist's career.