Tracing Long-term Value Change in (Energy) Technologies
Opportunities of Probabilistic Topic Models Using Large Data Sets
Tristan Emile de Wildt (TU Delft - Ethics & Philosophy of Technology)
Ibo van de Van De Poel (TU Delft - Ethics & Philosophy of Technology)
E.J.L. Chappin (TU Delft - Energy and Industry)
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Abstract
We propose a new approach for tracing value change. Value change may lead to a mismatch between current value priorities in society and the values for which technologies were designed in the past, such as energy technologies based on fossil fuels, which were developed when sustainability was not considered a very important value. Better anticipating value change is essential to avoid a lack of social acceptance and moral acceptability of technologies. While value change can be studied historically and qualitatively, we propose a more quantitative approach that uses large text corpora. It uses probabilistic topic models, which allow us to trace (new) values that are (still) latent. We demonstrate the approach for five types of value change in technology. Our approach is useful for testing hypotheses about value change, such as verifying whether value change has occurred and identifying patterns of value change. The approach can be used to trace value change for various technologies and text corpora, including scientific articles, newspaper articles, and policy documents.
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