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TWBG_Materials/文档润色流和知识库构建流/claude-scholar-upstream/skills/results-analysis/examples/example-analysis-report.md
2026-05-30 16:22:29 +08:00

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Strict Analysis Report

Analysis Question

  • Compare Full Model, Frozen Encoder, and Subject Adapter on cross-subject decoding.
  • Determine whether the adapter closes the transfer gap without sacrificing stability.

Data Inventory

  • 3 model families
  • 5 random seeds per family
  • subject-level WER and CER
  • training logs for convergence
  • ablation outputs for adapter width

Executive Summary

  • Subject Adapter improves mean WER over Frozen Encoder by 3.8 absolute points.
  • The improvement is statistically significant under paired testing after multiple-comparison correction.
  • Full fine-tuning remains strongest overall, but Subject Adapter offers the best compute-performance tradeoff.
  • Performance variance is lower than Frozen Encoder, suggesting a more stable transfer path.

Main Findings

1. Main comparison

  • Full fine-tuning: 31.4 ± 1.9 WER
  • Subject Adapter: 33.2 ± 1.3 WER
  • Frozen Encoder: 37.0 ± 2.1 WER

Observation:

  • Subject Adapter consistently outperforms Frozen Encoder across all 5 seeds.

Interpretation:

  • The transfer bottleneck is not purely feature reuse; a light adaptation head captures subject-specific alignment that freezing alone misses.

Implication:

  • Future work should prioritize adapter variants before investing in heavier full-model tuning.

2. Stability

  • Subject Adapter has the smallest seed variance among transfer-friendly methods.
  • Convergence curves show less oscillation after epoch 8.

Interpretation:

  • Adapter tuning is not only better on average, but easier to optimize.

3. Ablation

  • Reducing adapter width from 256 to 64 hurts WER by 1.6 points.
  • Increasing from 256 to 512 yields only marginal improvement.

Interpretation:

  • Most of the benefit is captured at moderate width; scale-up is not the current bottleneck.

Caveats

  • Only 5 seeds; inference about tails remains limited.
  • Subject count is modest, so subject-level heterogeneity may still be under-estimated.
  • Training-time comparison depends on identical hardware assumptions.
  • Promote this finding into a results-report note focused on adapter vs freezing.
  • Run one robustness pass on held-out low-resource subjects.