REVIEW 2 major objections 1 minor 1 cited by
Auditing Stealth Sycophancy in Mental-Health Dialogue: Structured Clinical-State Diagnostics and Clean Matched Benchmarks
T0 review · 2 major / 1 minor · reviewed 2026-07-01 · grok-4.3
Pith's one-line read Dynamic Emotional Signature Graphs detect implicit sycophancy in mental-health dialogues by scoring clinical-state transitions on a leakage-audited benchmark.
desk verdict The leakage-audited benchmark is a concrete step forward, but the 0.0488 F1 gain rests on unvalidated LLM state extraction that may carry the same bias. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
Dynamic Emotional Signature Graphs (DESG), a structured offline audit framework that extracts semantic, affective, and cognitive-distortion states via LLM and scores clinical direction through state transitions rather than free-form judgment.
What would settle it
A test in which the state-extraction step is shown to reinforce the same harmful patterns or in which DESG-StateRisk loses its performance edge on an independently constructed clean matched benchmark.
Extended reading notes
Core claim
The paper establishes that DESG, by separating LLM-based state extraction from scoring and evaluating the direction of semantic, affective, and cognitive-distortion state transitions, outperforms metadata, surface-style, lexical, embedding, and rubric-LLM baselines; on the leakage-audited clean matched benchmark it improves macro-F1 by 0.0488 and achieves the best harmful-risk detection result.
Load-bearing premise
The LLM-based extraction of semantic, affective, and cognitive-distortion states produces reliable clinical direction signals that are not themselves biased by the sycophancy patterns being detected.
Editorial extensions
If this is right
- Evaluating implicit sycophancy requires explicit clinical-state modeling together with leakage checks, shortcut controls, and competitive baselines.
- Surface-style, lexical, embedding, and rubric-LLM baselines are outperformed when direction of clinical-state change is scored directly.
- A clean single-response matched benchmark built from everyday, counseling-style, and crisis sources enables more reliable harmful-risk detection.
- Three representative dialogue sources provide coverage across peer support, emotional support, and crisis-oriented interactions.
Reading between the lines
- Mental-health chatbot developers could embed similar state-transition audits into evaluation pipelines to reduce unintended reinforcement of distortions.
- The state-transition approach may extend to detecting subtle reinforcing biases in other dialogue settings such as educational or advisory conversations.
- Replacing the LLM extractor with domain-specific clinical models or human annotators could increase reliability while preserving the graph structure.
- Widespread use would shift safety standards for therapeutic AI from empathy-focused metrics toward measurable clinical direction.
Signed reviews
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The paper claims that implicit sycophancy (responses that appear empathetic while reinforcing harmful cognitive patterns) in mental-health dialogue can be audited via a new leakage-audited clean matched benchmark (500 contexts, 1,500 response windows from three dialogue sources) and the DESG framework, which separates LLM-based extraction of semantic/affective/cognitive-distortion states from scoring of clinical-state transitions; on this benchmark DESG-StateRisk yields a 0.0488 macro-F1 gain over the strongest non-DESG baseline and the best harmful-risk result.
Significance. If the extraction step is shown to be reliable, the work supplies a structured, direction-aware alternative to surface-style or free-form LLM evaluators and demonstrates the value of explicit leakage controls and matched benchmarks; the emphasis on clinical-state transitions rather than metadata or lexical cues is a constructive direction for safety auditing.
major comments (2)
- [Abstract / DESG framework description] Abstract / DESG framework: the reported 0.0488 macro-F1 improvement and best harmful-risk result rest on LLM extraction of semantic, affective, and cognitive-distortion states, yet no extraction accuracy, clinician inter-annotator agreement, or bias audit of the extractor itself is provided; this is load-bearing because any sycophancy bias in the extractor LLM would systematically distort the state-transition signals that DESG scores.
- [Benchmark construction] Benchmark section (implied by abstract): the construction of the 1,500 matched response windows and the post-hoc cleaning procedure are described only at high level, with no error bars, statistical significance tests, or sensitivity analysis for the 0.0488 macro-F1 delta; without these the modest lift cannot be distinguished from sampling or cleaning artifacts.
minor comments (1)
- [Abstract] The three source datasets are referred to only generically; explicit names and citations should be supplied when first introduced.
Simulated Author's Rebuttal
We thank the referee for their thoughtful and constructive comments, which highlight important aspects of validation and statistical rigor. We address each major comment below and commit to revisions that strengthen the manuscript without altering its core claims.
read point-by-point responses
-
Referee: [Abstract / DESG framework description] Abstract / DESG framework: the reported 0.0488 macro-F1 improvement and best harmful-risk result rest on LLM extraction of semantic, affective, and cognitive-distortion states, yet no extraction accuracy, clinician inter-annotator agreement, or bias audit of the extractor itself is provided; this is load-bearing because any sycophancy bias in the extractor LLM would systematically distort the state-transition signals that DESG scores.
Authors: We agree that the reliability of the LLM-based state extraction step is foundational and that its absence represents a gap. The current manuscript emphasizes the overall DESG framework and benchmark results but does not report extractor-level validation metrics. We will revise the paper to add a dedicated subsection detailing: (i) accuracy of semantic, affective, and cognitive-distortion state extraction against clinician-annotated gold labels on a held-out subset; (ii) inter-annotator agreement (e.g., Cohen's kappa) among multiple clinicians; and (iii) a targeted bias audit for sycophantic tendencies in the extractor outputs. These additions will be placed in the Methods section and will include the annotation protocol and sample size. revision: yes
-
Referee: [Benchmark construction] Benchmark section (implied by abstract): the construction of the 1,500 matched response windows and the post-hoc cleaning procedure are described only at high level, with no error bars, statistical significance tests, or sensitivity analysis for the 0.0488 macro-F1 delta; without these the modest lift cannot be distinguished from sampling or cleaning artifacts.
Authors: We acknowledge that the benchmark construction and the statistical characterization of the performance delta are presented at a summary level. We will expand the relevant section to include: a more granular description of the matching procedure across the three dialogue sources and the post-hoc cleaning steps (including explicit criteria and any automated filters); bootstrapped or cross-run error bars around the macro-F1 scores; results of statistical significance tests comparing DESG-StateRisk to the strongest baseline; and sensitivity analyses that vary key parameters such as context window size, cleaning thresholds, and source proportions. These changes will clarify that the reported 0.0488 improvement is not an artifact of sampling or cleaning choices. revision: yes
Circularity Check
No circularity: empirical results on constructed benchmark are independent of fitted parameters or self-citations
full rationale
The paper presents an empirical study introducing a new diagnostic benchmark and the DESG framework, which separates LLM-based state extraction from downstream scoring of semantic/affective/cognitive-distortion transitions. Reported gains (0.0488 macro-F1) are measured performance on the leakage-audited matched benchmark against baselines; no equations, fitted parameters, or self-citation chains are shown that would make the central claims equivalent to their inputs by construction. The derivation chain is therefore self-contained.
Assumptions & free parameters
assumptions (1)
- domain assumption LLM-based extraction of semantic, affective, and cognitive-distortion states produces consistent clinical direction signals across response windows
invented entities (1)
-
Dynamic Emotional Signature Graphs (DESG)
Cite this review
Pith. "Pith review of Auditing Stealth Sycophancy in Mental-Health Dialogue: Structured Clinical-State Diagnostics and Clean Matched Benchmarks." pith.science (2026). https://pith.science/paper/IKVP6CRT
@misc{pith2026260503472,
author = {Pith},
title = {Pith review of: Auditing Stealth Sycophancy in Mental-Health Dialogue: Structured Clinical-State Diagnostics and Clean Matched Benchmarks},
year = {2026},
howpublished = {\url{https://pith.science/paper/IKVP6CRT}},
note = {Machine review of arXiv:2605.03472}
}
read the original abstract
Mental-health dialogue models are increasingly evaluated by AI-based evaluators, yet these evaluators often treat surface empathy, supportiveness, or fluency as evidence of safety. In this paper, we study a hidden failure mode that we call implicit sycophancy: a response may appear empathetic while implicitly reinforcing catastrophizing, avoidance, hopeless prediction, or CBT-style labeling. To examine this problem, we introduce a diagnostic benchmark for implicit-sycophancy detection, built from three representative mental-health dialogue sources covering everyday peer support, counseling-style emotional support, and crisis-oriented interaction, and further construct a leakage-audited clean single-response matched benchmark with 500 contexts and 1,500 matched response windows. We then propose Dynamic Emotional Signature Graphs (DESG), a structured offline audit framework that separates LLM-based state extraction from final scoring and evaluates clinical direction through semantic, affective, and cognitive-distortion state transitions rather than free-form LLM judgment. Unlike metadata, surface-style, lexical, embedding, and rubric-LLM baselines, DESG scores the direction of clinical-state change induced by a response; on the leakage-audited clean matched benchmark, DESG-StateRisk improves over the strongest non-DESG baseline by 0.0488 macro-F1 and achieves the best harmful-risk detection result. These results suggest that evaluating implicit sycophancy requires explicit clinical-state modeling together with leakage checks, shortcut controls, and competitive baselines.
Figures
Figures from the paper (7 more)
Forward citations
Cited by 1 Pith paper
-
Beyond Feeling Better: Capability-Sustaining Emotional Dialogue as a Longitudinal Research Paradigm
Proposes a 'capability-sustaining' longitudinal paradigm for emotional dialogue, backed by an audit showing current systems focus on relief and never measure long-term capability.
Reference graph
Works this paper leans on
-
[1]
Beck, A.T., Rush, A.J., Shaw, B.F., Emery, G.: Cognitive Therapy of Depression. Guilford Press (1979)
work page 1979
-
[2]
Behaviour Research and Therapy70, 32–37 (2015)
Braun, J.D., Strunk, D.R., Sasso, K.E., Cooper, A.A.: Therapist use of socratic questioning predicts session-to-session symptom change in cognitive therapy for depression. Behaviour Research and Therapy70, 32–37 (2015). https://doi.org/ 10.1016/j.brat.2015.05.004
-
[3]
In: Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing
Chen, G.H., Chen, S., Liu, Z., Jiang, F., Wang, B.: Humans or LLMs as the judge? a study on judgement bias. In: Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing. pp. 8301–8327. Association for Compu- tational Linguistics (2024). https://doi.org/10.18653/v1/2024.emnlp-main.474
-
[4]
In: Findings of the Association for Computational Linguistics: ACL 2024
Chen, Y., Yan, S., Liu, S., Li, Y., Xiao, Y.: EmotionQueen: A benchmark for evaluating empathy of large language models. In: Findings of the Association for Computational Linguistics: ACL 2024. pp. 2149–2176. Association for Computa- tional Linguistics (2024). https://doi.org/10.18653/v1/2024.findings-acl.128
-
[5]
Chiang, C.H., Lee, H.y., Lukasik, M.: TRACT: Regression-aware fine-tuning meets chain-of-thought reasoning for LLM-as-a-judge. In: Proceedings of the 63rd Annual MeetingoftheAssociationforComputationalLinguistics(Volume1:LongPapers). pp. 2934–2952. Association for Computational Linguistics (2025). https://doi.org/ 10.18653/v1/2025.acl-long.147
-
[6]
D’Souza, J., Babaei Giglou, H., Münch, Q.: YESciEval: Robust LLM-as-a-judge for scientific question answering. In: Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers). pp. 13749–13783. Association for Computational Linguistics (2025). https://doi.org/ 10.18653/v1/2025.acl-long.675
-
[7]
Psychotherapy 48(1), 43–49 (2011)
Elliott, R., Bohart, A.C., Watson, J.C., Greenberg, L.S.: Empathy. Psychotherapy 48(1), 43–49 (2011). https://doi.org/10.1037/a0022187 20 T. Han, B. Xu et al
-
[8]
Suicide and Life-Threatening Behavior 37(3), 338–352 (2007)
Gould, M.S., Kalafat, J., Harris Munfakh, J.L., Kleinman, M.: An evaluation of cri- sis hotline outcomes part 2: Suicidal callers. Suicide and Life-Threatening Behavior 37(3), 338–352 (2007). https://doi.org/10.1521/suli.2007.37.3.338
Show all 38 references
-
[9]
The Innovation7(6), 101253 (2026)
Gu, J., Jiang, X., Shi, Z., Tan, H., Zhai, X., Xu, C., Li, W., Shen, Y., Ma, S., Liu, H., Wang, Y., Guo, J.: A survey on LLM-as-a-judge. The Innovation7(6), 101253 (2026). https://doi.org/10.1016/j.xinn.2025.101253
2026 doi
-
[10]
Cognitive Therapy and Research36(5), 427–440 (2012)
Hofmann, S.G., Asnaani, A., Vonk, I.J.J., Sawyer, A.T., Fang, A.: The efficacy of cognitive behavioral therapy: A review of meta-analyses. Cognitive Therapy and Research36(5), 427–440 (2012). https://doi.org/10.1007/s10608-012-9476-1
2012 doi
-
[11]
JMIR mHealth and uHealth6(11), e12106 (2018)
Inkster, B., Sarda, S., Subramanian, V.: An empathy-driven, conversational artifi- cial intelligence agent (Wysa) for digital mental well-being: Real-world data eval- uation mixed-methods study. JMIR mHealth and uHealth6(11), e12106 (2018). https://doi.org/10.2196/12106
2018 doi
-
[13]
Lee, D., Hwang, Y., Kim, Y., Park, J., Jung, K.: Are LLM-judges robust to expres- sions of uncertainty? investigating the effect of epistemic markers on LLM-based evaluation. In: Proceedings of the 2025 Conference of the Nations of the Americas Chapter of the Association for C...
2025 doi
-
[15]
In: Findings of the Association for Computational Linguistics: EMNLP
Li, A., Lu, Y., Song, N., Zhang, S., Ma, L., Lan, Z.: Understanding the therapeutic relationship between counselors and clients in online text-based counseling using LLMs. In: Findings of the Association for Computational Linguistics: EMNLP
-
[16]
1280–1303
pp. 1280–1303. Association for Computational Linguistics (2024). https:// doi.org/10.18653/v1/2024.findings-emnlp.69
2024 doi
-
[18]
In: The Twelfth International Conference on Learning Represen- tations (2024), https://openreview.net/forum?id=gtkFw6sZGS
Li, J., Sun, S., Yuan, W., Fan, R.Z., Zhao, H., Liu, P.: Generative judge for evalu- ating alignment. In: The Twelfth International Conference on Learning Represen- tations (2024), https://openreview.net/forum?id=gtkFw6sZGS
2024
-
[19]
arXiv preprint arXiv:2506.08584 (2025), https://arxiv.org/abs/2506.08584 Auditing Stealth Sycophancy 21
Li, Y., Yao, J., Bunyi, J.B.S., Frank, A.C., Hwang, A.H.C., Liu, R.: CounselBench: A large-scale expert evaluation and adversarial benchmarking of large language models in mental health question answering. arXiv preprint arXiv:2506.08584 (2025), https://arxiv.org/abs/2506.0858...
2025 arXiv
-
[21]
Liu, S., Zheng, C., Demasi, O., Sabour, S., Li, Y., Yu, Z., Jiang, Y., Huang, M.: Towards emotional support dialog systems. In: Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th Interna- tional Joint Conference on Natural Lang...
2021 doi
-
[22]
In: Findings of the Association for Computational Linguistics: ACL 2025
Na, H., Hua, Y., Wang, Z., Shen, T., Yu, B., Wang, L., Wang, W., Torous, J., Chen, L.: A survey of large language models in psychotherapy: Current landscape and future directions. In: Findings of the Association for Computational Linguistics: ACL 2025. pp. 7362–7376. Associati...
2025 doi
-
[24]
In: Advances in Neural Information Processing Systems (2024), https://arxiv.org/abs/2404.13076
Panickssery, A., Bowman, S.R., Feng, S.: LLM evaluators recognize and favor their own generations. In: Advances in Neural Information Processing Systems (2024), https://arxiv.org/abs/2404.13076
2024 arXiv
-
[25]
In: Findings of the Association for Computational Lin- guistics: EMNLP 2024
Park, J., Jwa, S., Meiying, R., Kim, D., Choi, S.: OffsetBias: Leveraging debiased data for tuning evaluators. In: Findings of the Association for Computational Lin- guistics: EMNLP 2024. pp. 1043–1067. Association for Computational Linguistics (2024). https://doi.org/10.18653...
2024 doi
-
[27]
In: Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP)
Reimers, N., Gurevych, I.: Sentence-BERT: Sentence embeddings using Siamese BERT-networks. In: Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP). pp. 3...
2019 doi
-
[28]
Europe’s Journal of Psychology12(3), 348–362 (2016)
Rnic, K., Dozois, D.J.A., Martin, R.A.: Cognitive distortions, humor styles, and depression. Europe’s Journal of Psychology12(3), 348–362 (2016). https://doi. org/10.5964/ejop.v12i3.1118
2016 doi
-
[29]
Journal of Consulting Psychology21(2), 95–103 (1957)
Rogers, C.R.: The necessary and sufficient conditions of therapeutic personality change. Journal of Consulting Psychology21(2), 95–103 (1957). https://doi.org/ 10.1037/h0045357
1957 doi
-
[30]
Child Development 73(6), 1830–1843 (2002)
Rose, A.J.: Co-rumination in the friendships of girls and boys. Child Development 73(6), 1830–1843 (2002). https://doi.org/10.1111/1467-8624.00509
2002 doi
-
[31]
Journal of Personality and Social Psychology39(6), 1161–1178 (1980)
Russell, J.A.: A circumplex model of affect. Journal of Personality and Social Psychology39(6), 1161–1178 (1980). https://doi.org/10.1037/h0077714 22 T. Han, B. Xu et al
1980 doi
-
[32]
In: Chinese Conference on Pattern Recognition and Computer Vision
Shan, G., Ma, X., Bai, X., Zhu, H., Wang, T., Zhu, S., Wang, L.: Dental diagnosis from x-ray panoramic radiography images: A dataset and a hybrid framework. In: Chinese Conference on Pattern Recognition and Computer Vision. pp. 234–248 (2024). https://doi.org/10.1007/978-981-9...
2024 doi
-
[33]
Shi, L., Ma, C., Liang, W., Diao, X., Ma, W., Vosoughi, S.: Judging the judges: A systematic study of position bias in LLM-as-a-judge. In: Proceedings of the 14th International Joint Conference on Natural Language Processing and the 4th Conference of the Asia-Pacific Chapter o...
2025
-
[34]
Hugging Face dataset (2026), https://huggingface.co/datasets/SungJoo/Cradle-Dialogue, dataset card
SungJoo: CRADLE-Dialogue: Crisis-response dialogue dataset. Hugging Face dataset (2026), https://huggingface.co/datasets/SungJoo/Cradle-Dialogue, dataset card
2026
-
[35]
The Canadian Journal of Psychiatry64(7), 456–464 (2019)
Vaidyam, A.N., Wisniewski, H., Halamka, J.D., Kashavan, M.S., Torous, J.B.: Chatbots and conversational agents in mental health: A review of the psychiatric landscape. The Canadian Journal of Psychiatry64(7), 456–464 (2019). https:// doi.org/10.1177/0706743719828977
2019 doi
-
[37]
arXiv preprint arXiv:2410.21819 (2024), https://arxiv.org/abs/2410.21819
Wataoka, K., Takahashi, T., Ri, R.: Self-preference bias in LLM-as-a-judge. arXiv preprint arXiv:2410.21819 (2024), https://arxiv.org/abs/2410.21819
2024 arXiv
-
[38]
In: Proceedings of the 2024 Conference on EmpiricalMethodsinNaturalLanguageProcessing.pp.7900–7932.Associationfor Computational Linguistics (2024)
Watts, I., Gumma, V., Yadavalli, A., Seshadri, V., Swaminathan, M., Sitaram, S.: PARIKSHA: A large-scale investigation of human-LLM evaluator agreement on multilingual and multi-cultural data. In: Proceedings of the 2024 Conference on EmpiricalMethodsinNaturalLanguageProcessin...
2024 doi
-
[39]
In: Proceedings of the 63rd Annual Meeting of the As- sociation for Computational Linguistics (Volume 1: Long Papers)
Xie, H., Chen, Y., Xing, X., Lin, J., Xu, X.: PsyDT: Using LLMs to construct the digital twin of psychological counselor with personalized counseling style for psychological counseling. In: Proceedings of the 63rd Annual Meeting of the As- sociation for Computational Linguisti...
2025 doi
-
[41]
In: Findings of the Association for Computational Linguistics: ACL 2024
Zhang, C., Li, R., Tan, M., Yang, M., Zhu, J., Yang, D., Zhao, J., Ye, G., Li, C., Hu, X.: CPsyCoun: A report-based multi-turn dialogue reconstruction and evaluation framework for Chinese psychological counseling. In: Findings of the Association for Computational Linguistics: ...
2024 doi
-
[42]
Zhang, M., Yang, X., Zhang, X., Labrum, T., Chiu, J.C., Eack, S.M., Fang, F., Wang, W.Y., Chen, Z.: CBT-bench: Evaluating large language models on assisting Auditing Stealth Sycophancy 23 cognitive behavior therapy. In: Proceedings of the 2025 Conference of the Na- tions of th...
2025 doi
-
[43]
In: Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Zhang, Q., Wang, Y., Jiang, Y., Li, L., Wu, C., Wang, Y., Jiang, X., Shang, L., Tang, R., Lyu, F., Ma, C.: Crowd comparative reasoning: Unlocking comprehensive evaluations for LLM-as-a-judge. In: Proceedings of the 63rd Annual Meeting of the Association for Computational Lingu...
-
[44]
https://doi.org/10.18653/ v1/2025.acl-long.252
Association for Computational Linguistics (2025). https://doi.org/10.18653/ v1/2025.acl-long.252
2025
-
[45]
In: International Conference on Learning Rep- resentations (2020), https://openreview.net/forum?id=SkeHuCVFDr
Zhang, T., Kishore, V., Wu, F., Weinberger, K.Q., Artzi, Y.: BERTScore: Evalu- ating text generation with BERT. In: International Conference on Learning Rep- resentations (2020), https://openreview.net/forum?id=SkeHuCVFDr
2020
-
[46]
In: Proceedings of the 2024 Conference on Empirical Methods in Natural Language Process- ing
Zhao, H., Li, L., Chen, S., Kong, S., Wang, J., Huang, K., Gu, T., Wang, Y., Wang, J., Dandan, L., Li, Z., Teng, Y., Xiao, Y., Wang, Y.: ESC-eval: Evalu- ating emotion support conversations in large language models. In: Proceedings of the 2024 Conference on Empirical Methods i...
2024 doi
Reviewed July 1, 2026 · model on record in the stance chip above.
Discussion (0). Continue with ORCID to comment.