Fake People, Real Effects - The Presence of Virtual Onlookers Can Impair Performance and Learning. - Wouter Durnez; Klaas Bombeke; Jamil Joundi; Aleksandra Zheleva; Emiel Cracco; Fran Copman; Marcel Brass; Jelle Saldien; Lieven De Marez (HCI (10), 2020)