Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/action/journalInformation?journalCode=terg20 Download by: [University of Calgary] Date: 04 August 2017, At: 23:54 Ergonomics ISSN: 0014-0139 (Print) 1366-5847 (Online) Journal homepage: http://www.tandfonline.com/loi/terg20 Response to letter by Spector and Lieblich Alfredo Patrizi, Ettore Pennestrì & Pier Paolo Valentini To cite this article: Alfredo Patrizi, Ettore Pennestrì & Pier Paolo Valentini (2017) Response to letter by Spector and Lieblich, Ergonomics, 60:4, 599-600, DOI: 10.1080/00140139.2017.1282195 To link to this article: http://dx.doi.org/10.1080/00140139.2017.1282195 Published online: 19 Jan 2017. Submit your article to this journal Article views: 48 View related articles View Crossmark data