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We are happy to announce that all trial registrations will now be issued DOIs (digital object identifiers). For more information, see here.
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Fields Changed

Trial
Field Before After
Last Published January 14, 2014 02:36 PM January 14, 2014 02:43 PM
Planned Number of Clusters 1000 students in grades 6,7,8 1015 students in grades 6,7,8
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