Evaluating Human-language Model Interaction
Lee Mina, Srivastava Megha, Hardy Amelia, Thickstun John, Durmus Esin, Paranjape Ashwin, Gerard-ursin Ines, Li Xiang Lisa, Ladhak Faisal, Rong Frieda, Wang Rose E., Kwon Minae, Park Joon Sung, Cao Hancheng, Lee Tony, Bommasani Rishi, Bernstein Michael, Liang Percy. Arxiv 2022
[Paper]
Many real-world applications of language models (LMs), such as writing assistance and code autocomplete, involve human-LM interaction. However, most benchmarks are non-interactive in that a model produces output without human involvement. To evaluate human-LM interaction, we develop a new framework, Human-AI Language-based Interaction Evaluation (HALIE), that defines the components of interactive systems and dimensions to consider when designing evaluation metrics. Compared to standard, non-interactive evaluation, HALIE captures (i) the interactive process, not only the final output; (ii) the first-person subjective experience, not just a third-party assessment; and (iii) notions of preference beyond quality (e.g., enjoyment and ownership). We then design five tasks to cover different forms of interaction: social dialogue, question answering, crossword puzzles, summarization, and metaphor generation. With four state-of-the-art LMs (three variants of OpenAI’s GPT-3 and AI21 Labs’ Jurassic-1), we find that better non-interactive performance does not always translate to better human-LM interaction. In particular, we highlight three cases where the results from non-interactive and interactive metrics diverge and underscore the importance of human-LM interaction for LM evaluation.
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