Socioplastics 11913 The Map Says Six Minutes. The Walk Takes Twenty
A number can be accurate within its model and still mislead in public use. PrecisionMirage identifies the moment when exact-looking outputs obscure uncertain assumptions, missing data or conditions outside the calculation. A journey planner may estimate a walk at six minutes and twelve seconds, while the route includes a locked gate, a long signal cycle and a steep ramp difficult for some travellers. Theodore Porter’s history of numerical authority examines how quantification earns trust in public life. Alain Desrosières studies how statistical categories are constructed and used. Their work helps distinguish the calculation from the assumptions that make it meaningful. A precise display can communicate confidence beyond what the underlying data justify, especially when users cannot inspect the model’s limits. A mobility service could compare its predicted travel times with repeated journeys made by people using different routes and mobility aids. The record would include signal cycles, slopes, closures, waiting, rest and seasonal conditions. The interface could show an estimated range and the factors most likely to alter a route. Users’ observations would help identify where the model needs further evidence. PrecisionMirage encourages a match between displayed precision and evidentiary support. It helps researchers and public agencies show how a number was produced and what conditions shape its use. A transparent estimate can remain useful while making uncertainty legible. The marker brings model assumptions into public view and supports better decisions about travel, access and urban service. It also gives users a practical way to report discrepancies and help improve the calculation over time.
REFERENCES
Desrosières, A. (1998) The Politics of Large Numbers: A History of Statistical Reasoning. Translated by C. Naish. Cambridge, MA: Harvard University Press.
Porter, T.M. (1995) Trust in Numbers: The Pursuit of Objectivity in Science and Public Life. Princeton: Princeton University Press.
CITE AS
Lloveras, A. (2026) Socioplastics, LAPIEZA-LAB, Madrid.
https://antolloveras.blogspot.com/p/socioplastics-project-index.html