Neuroticism construct classifier achieves 99.00% accuracy on held-out statement corpus

Entities in the same semantic neighborhood but without a typed relation to this one — candidates for new edges or unrecognized duplicates.

• Psychopathy construct classifier achieves 90.50% accuracy, lowest among all evaluated constructsfinding0.796
  Lowest individual classifier performance
• Fleiss' κ = 0.74 for Neuroticism inter-annotator agreementfinding0.761
  High inter-annotator agreement for human evaluation of Neuroticism sentences
• Embedding-based construct classifiers achieve mean accuracy and F1-macro of 95.96% across OCEAN, HEXACO, Dark Tetrad, CMNI, CFNI constructsfinding0.759
  Validates use of lightweight classifiers as replacement for frontier LLM evaluation during alpha sweeps
• Under reward shaping (G=100, H=-100, F=0), Active Inference scored 99.52, Bayesian RL 99.77, Q-learning 95.56, with nearly identical behavior between belief-based agents.finding0.750
  Table 2, row 3, showing equivalence when prior preferences match rewards.
• On Llama-3.1-8B, neuroticism is the only pro-safety trait, positively aligned with the refusal direction, consistent with high-neuroticism personas being relatively safe under activation steering.claim0.747
  Secondary mechanistic finding from trait-refusal alignment analysis
• Abstract nouns elicit the highest introspective awareness rates; all concept categories show nonzero detectionfinding0.736
  Opus 4.1 is most effective at recognizing injected abstract concepts (e.g., justice, peace) but detects other categories too.
• Verbalized probabilities for programming languages show only Pearson r=0.182 (GPT-4.1) correlation with corpus frequencies, indicating weaker calibrationfinding0.735
  Limits of verbalized probability calibration when corpus frequency and perceived popularity diverge
• Neuroticism steering vector has mean cosine alignment of +0.079 with the refusal direction on Llama-3.1-8B, the only pro-safety trait among all five OCEAN dimensions.finding0.732
  Mechanistic finding explaining why high-N personas are safe under steering