Data visualization: developing capabilities to make decisions and communicate

Valérie Michèle Saintot

This chapter focuses on the communication dimensions related to data visualization for both decision-making and outreach purposes. It emphasises why visualization matters, what matters when working with data visualization and how to make data visualization matter even more. It combines well-established good practices in the domain of data visualization with lessons learned from concrete insights stemming from the author’s practice in the field. The iterative nature of the visualization process and the fact that multidisciplinary teams working on data visualization add significant value to the process and the outcome are also underlined. The chapter concludes with the importance of using the power of data, information and knowledge visualization to mobilise attention to challenge and transform society in a world where volatility, uncertainty, complexity and ambiguity are common currencies.


Reflecting on data visualization goes beyond designing infographics (Engbretsen and Kennedy 2020). The field has reached a stage of maturity that requires us to consider a number of more philosophical, transformational and ethical questions. Visualized data can change

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