When concept-based XAI is imprecise: Do people distinguish between generalisations and misrepresentations?
- URL: http://arxiv.org/abs/2506.17936v1
- Date: Sun, 22 Jun 2025 08:07:02 GMT
- Title: When concept-based XAI is imprecise: Do people distinguish between generalisations and misrepresentations?
- Authors: Romy Müller,
- Abstract summary: Concept-based explainable artificial intelligence (C-XAI) can help reveal the inner representations of AI models.<n>It may desirable for C-XAI concepts to show some variability.<n>It is unclear whether people recognise and appreciate such generalisations.
- Score: 0.0
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Concept-based explainable artificial intelligence (C-XAI) can help reveal the inner representations of AI models. Understanding these representations is particularly important in complex tasks like safety evaluation. Such tasks rely on high-level semantic information (e.g., about actions) to make decisions about abstract categories (e.g., whether a situation is dangerous). In this context, it may desirable for C-XAI concepts to show some variability, suggesting that the AI is capable of generalising beyond the concrete details of a situation. However, it is unclear whether people recognise and appreciate such generalisations and can distinguish them from other, less desirable forms of imprecision. This was investigated in an experimental railway safety scenario. Participants evaluated the performance of a simulated AI that evaluated whether traffic scenes involving people were dangerous. To explain these decisions, the AI provided concepts in the form of similar image snippets. These concepts differed in their match with the classified image, either regarding a highly relevant feature (i.e., relation to tracks) or a less relevant feature (i.e., actions). Contrary to the hypotheses, concepts that generalised over less relevant features led to ratings that were lower than for precisely matching concepts and comparable to concepts that systematically misrepresented these features. Conversely, participants were highly sensitive to imprecisions in relevant features. These findings cast doubts on whether people spontaneously recognise generalisations. Accordingly, they might not be able to infer from C-XAI concepts whether AI models have gained a deeper understanding of complex situations.
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