For NDFES and PHES: CONDUCT OF PREVALIDATION TEST ON THE 21ST CENTURY PROGRESSION SKILLS THROUGH THE ASSESSMENT , CURRICULUM AND TECHNOLOGY RESEARCH CENTRE (ACTRC) Posted on February 29, 2016 by marksherwinmagsombol Leave a comment 2924. CONDUCT OF PREVALIDATION TEST ON THE 21ST CENTURY PROGRESSION SKILLS THROUGH THE ASSESSMENT , CURRICULUM AND TECHNOLOGY RESEARCH CENTRE (ACTRC) Memorandum