Retrospective vs. concurrent think-aloud protocols: testing the usability of an online library catalogue

Author: van den Haak Maaike   De Jong Menno   Jan Schellens Peter  

Publisher: Taylor & Francis Ltd

ISSN: 1362-3001

Source: Behaviour and Information Technology, Vol.22, Iss.5, 2003-09, pp. : 339-351

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Abstract