ISO/TS TECHNICAL SPECIFICATION 14198 Second edition 2019-04 Road vehicles Ergonomic aspects of transport information and control systems - Calibration tasks for methods which assess driver demand due to the use of in-vehicle systems Vehicules routiers - Aspects ergonomiques des systemes d'information et de controle du transport - -Taches de calibration pour methodes qui évaluent la distraction du conducteur due a I'utilisation des systemes embarqués Reference number IS0/TS 14198:2019(E) rso @ IS0 2019 IS0/TS 14198:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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 any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved IS0/TS 14198:2019(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ...1 2 Normative references 3 Terms and definitions 4 Abbreviated terms ..3 5 Calibration tasks. ..4 5.1 Principle and overview. .4 5.2 Types of calibration tasks ..4 5.3 Critical Tracking Task (CTT) .4 5.3.1 Description ..4 5.3.2 Operation of the CTT ..5 5.3.3 Setup for CTT .6 5.3.4 Test conditions for CTT 6 5.3.5 Participants for CTT. .6 5.3.6 Participant instruction for CTT .6 5.3.7 Practice trials ..7 5.3.8 Test metrics .7 5.4 Surrogate Reference Task (SURT) .7 5.4.1 Description. 5.4.2 Setup for SURT ..8 5.4.3 Test conditions for SURT ..9 5.4.4 Participants for SURT 9 5.4.5 Participant instructions for SURT 5.4.6 Practice trials ..10 5.4.7 Test metrics .10 5.5 N-back. .10 5.5.1 Description .10 5.5.2 Operation of the n-back .10 5.5.3 Setup for n-back .11 5.5.4 Test conditions for n-back ..11 5.5.5 Participants for n-back .11 5.5.6 Participant instruction for n-back 11 5.5.7 Practicetrials .12 5.5.8 Test metrics. .12 6 Calibration criterion .12 6.1 Calibration criterion procedure .12 6.2 General calibration considerations ..14 Annex A (informative) Calibration task setup details using the LcT ..15 Annex B (informative) Multi-lab reference data for LcT ..17 Annex C (informative) Calibration task setup details using the DRT ..19 Annex D (informative) Multi-lab reference data for DRT ..20 Bibliography .22 @ IS0 2019 - All rights reserved ii