[USA] MPI Backgrounder Examines Redesigned Citizenship Test Taking Effect October 1st / Migration Policy Institute, 29 September 2008
http://www.migrationpolicy.org/news/2008_09_29.php
"More than a decade in the making, the redesigned citizenship test that becomes mandatory for all applicants effective Oct. 1, 2008, has two main goals: Provide a more meaningful opportunity for would-be Americans to demonstrate knowledge of U.S. history and civics, and allow greater standardization in test administration."
High Stakes, More Meaning: An Overview of the Process of Redesigning the U.S. Citizenship Test
PDF - http://www.migrationpolicy.org/pubs/BR6_NatzTest_092908.pdf