Effective Information Design

             

 

 

 

 

 

 

 

Expectations and prejudices usurp judgements of schematic map effectiveness  

Maxwell Roberts, Ida Vaeng 

University of Essex (2)

mjr@essex.ac.uk

Keywords: schematic maps; familiarity; usability study; rating study

Abstract

A usability study is reported in which objective measures of performance were compared with subjective ratings of design effectiveness for two novel schematic London Underground maps. One of these was designed conventionally, but was deliberately intended to have complex line trajectories. The other was a novel curvilinear design, prioitised similarly. The selection of designs was motivated by a previous usability rating study in which the curvilinear map had received the lowest scores. For the current study, people planned a series of journeys using both designs. The curvilinear map yielded superior performance in terms of time to plan each journey. Despite experience with both designs, the curvilinear map still received poor usability ratings. It is suggested that expectations and prejudices about design prevent people from making accurate subjective evaluations of usability. 

This paper is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International licence.

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Cite this paper: Roberts, M., Vaeng, I. (2016). Expectations and prejudices usurp judgements of schematic map effectiveness. Proceedings of DRS 2016, Design Research Society 50th Anniversary Conference. Brighton, UK, 27–30 June 2016.

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