INTERNATIONAL ISO/IEC STANDARD 21472 First edition 2021-10 Information technology Scenario evaluation methodology for user interaction influence in biometric system performance Reference number IEC IS0/IEC21472:2021(E) ISO @IS0/IEC2021 IS0/IEC21472:2021(E) COPYRIGHTPROTECTEDDOCUMENT IS0/IEC2021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in anyform or by anymeans, electronic or mechanical, including photocopying, orposting on theinternetoran intranet,withoutpriorwrittenpermission.Permissioncanberequestedfrom eitherIsoattheaddressbelow or ISO's member body in the country of the requester. ISO copyright office CP401 : Ch.de Blandonnet 8 CH-1214 Vernier,Geneva Phone: +4122 749 0111 Email: copyright@iso.org Website:www.iso.org Published in Switzerland ii @IS0/IEC 2021-All rights reserved