may be reproduced, stored in a retrieval system or transmitted in any form or by any means without permission of the author. Alle rechten voorbehouden. Niets uit deze uitgave mag worden vermenigvuldigd, in enige vorm of op enige wijze, zonder voorafgaande schriftelijke toestemming van de auteur. ! 2 Dissertation committee Chair prof. dr. T.A.J. Toonen Secretary prof. dr. T.A.J. Toonen Promotor prof. dr. H.F.M. te Molder Assistant-promotor prof. dr. G.T. Raymond Members prof. dr. P.P.C.C. Verbeek dr. M. Boenink prof. dr. M.A. Hajer prof. dr. G.C.G. Dehue prof. dr. A.J. Koole ! 3 ! 4 "How do you know?" Everyday negotiations of expert authority Wytske Versteeg ! 5 ! 6 ! 7 speaks about "a disregard for facts, the displacement of reason by emotion", and Nichols (2017: xi) complains that: "what I find so striking today is not that people dismiss expertise, but that they do so with such frequency, on so many issues, and with such anger." If Nichols' claim is true (but see, for instance, https://en.oxforddictionaries.com/word-of-the-year/word-of-the-year-2016, accessed