Instruction: Describe the metrics and methodologies you use to assess the performance and accuracy of multimodal AI systems.
Context: This question aims to understand the candidate's approach to performance validation, ensuring they can effectively measure and demonstrate the efficacy of multimodal AI systems.
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The way I'd approach it in an interview is this: Validation needs to cover both outcome quality and modality behavior. I want held-out task metrics, modality ablations, missing-modality tests, temporal or domain splits where relevant, and slice analysis...