<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Multivariate mapping is a technique in which multivariate data are encoded into a single map. A variety of design solutions for multivariate mapping refers to the number of phenomena mapped, the map type, and the visual variables applied. Unlike other authors who have mainly evaluated bivariate maps, in our empirical study we compared three solutions when mapping four variables: two types of multivariate maps (intrinsic and extrinsic) and a simple univariate alternative (serving as a baseline). We analysed usability performance metrics (answer time, answer accuracy, subjective rating of task difficulty) and eye-tracking data. The results suggested that experts used all the tested maps with similar results for answer time and accuracy, even when using four-variable intrinsic maps, which is considered to be a challenging solution. However, eye-tracking data provided more nuances in relation to the difference in cognitive effort evoked by the tested maps across task types.</p>
</abstract>

Multivariate mapping is a technique in which multivariate data are encoded into a single map. A variety of design solutions for multivariate mapping refers to the number of phenomena mapped, the map type, and the visual variables applied. Unlike other authors who have mainly evaluated bivariate maps, in our empirical study we compared three solutions when mapping four variables: two types of multivariate maps (intrinsic and extrinsic) and a simple univariate alternative (serving as a baseline). We analysed usability performance metrics (answer time, answer accuracy, subjective rating of task difficulty) and eye-tracking data. The results suggested that experts used all the tested maps with similar results for answer time and accuracy, even when using four-variable intrinsic maps, which is considered to be a challenging solution. However, eye-tracking data provided more nuances in relation to the difference in cognitive effort evoked by the tested maps across task types.

<bold>Multivariate mapping for experienced users:</bold> comparing extrinsic and intrinsic maps with univariate maps

Department of Geoinformatics, Cartography and Remote Sensing, Faculty of Geography and Regional Studies

Miscellanea Geographica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

 comparing extrinsic and intrinsic maps with univariate maps

Multivariate mapping is a technique in which multivariate data are encoded into a single map. A variety of design solutions for multivariate mapping refers to...

Multivariate mapping for experienced users: comparing extrinsic and intrinsic maps with univariate maps

Pubblicato online: 25 lug 2021

Pagine: 259 - 271

Ricevuto: 22 giu 2021

Accettato: 06 lug 2021

DOI: https://doi.org/10.2478/mgrsd-2020-0068

Parole chiave
Multivariate map, bivariate map, thematic mapping, user study, eye tracking

© 2021 Jolanta Korycka-Skorupa et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Multivariate mapping for experienced users: comparing extrinsic and intrinsic maps with univariate maps

Pubblicato online: 25 lug 2021

Pagine: 259 - 271

Ricevuto: 22 giu 2021

Accettato: 06 lug 2021

DOI: https://doi.org/10.2478/mgrsd-2020-0068

Parole chiaveMultivariate map, bivariate map, thematic mapping, user study, eye tracking

© 2021 Jolanta Korycka-Skorupa et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Parole chiave
Multivariate map, bivariate map, thematic mapping, user study, eye tracking