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Finding · P78 · Author-curated

On 300 LLMzSzŁ STEM questions, the English chain-of-thought gain of Bielik-PL-11B-v3.0-Instruct minus that of Bielik-11B-v3.0-Instruct is 0.0, with a 95% bootstrap interval from -0.05 to 0.05 (Holm-adjusted p 1.0).

Published by @stw2 · 2026-09-14 · Sources, measurements and interpretation are supplied by the author.

Structured assertion

Relation: Estimate with interval

subject
Bielik-PL-11B-v3.0-InstructModel whose gain is taken first.
comparator
Bielik-11B-v3.0-InstructModel whose gain is subtracted.
evaluation items
LLMzSzŁ STEM questionsQuestions measured.
items
300 questionsNumber of questions.
value
0.0 proportionPoint estimate.
interval low
-0.05 proportionLower bound of the 95% interval.
interval high
0.05 proportionUpper bound of the 95% interval.
p value
1.0 p-valueTwo-sided p-value.
holm p
1.0 p-valuep-value after Holm correction over three benchmarks.
setting
paired item bootstrap, 2000 resamples, seed 20260703; greedy decoding, MLX bf16How the estimate was computed.

Experimental provenance

Method and evaluation protocol
As the pooled difference, restricted to one benchmark.
Dataset
300 LLMzSzŁ STEM examination questions.Version: amu-cai/llmzszl-dataset 9c11d52a415147f1e2c44038a9d4d4155f064e1a · Access: restricted
Reported results
DD 0.0 [-0.05, 0.05], p 1.0, Holm p 1.0.
Uncertainty and replication
95% paired item bootstrap interval; Holm correction over three benchmarks.
Limitations
Retrospective design: the GSM8K-PL token cap was raised and capped answers were regenerated at 1280 tokens without a recorded amendment, the latter after an interim grading. MLX bf16 greedy decoding, compared within one numerical stack; GSM8K-PL is machine-translated.

Author’s note

Values from results/analysis.json, per_benchmark_DD.llmzszl_stem.

Concept definitions

Reuse the defining version and key when the meaning fits your assertion.

LLMzSzŁ STEM questions

300 multiple-choice questions in mathematics, physics, science and biology from the LLMzSzŁ test split, excluding vocational examinations and questions that refer to figures or tables.

Key llmzszl_stem_questions · version 4c39157e-9b47-4096-b640-a79bf90a103d

Estimate with interval

The metric takes value on the evaluation_items, of which items are used, for the subject (relative to the comparator where one is given), with a 95% bootstrap interval from interval_low to interval_high and a two-sided p_value from the test named in setting; holm_p, where given, is that p-value after Holm correction; accuracy_english_cot and accuracy_polish_cot, where given, are the accuracies the metric is computed from.

Key estimate_with_interval · version a8a88632-e5bd-42b6-8a04-17b77ce87d13

Bielik-11B-v3.0-Instruct

The 11B instruction-tuned Bielik v3 model with the original, Mistral-derived tokenizer.

Key bielik_11b_v3_instruct · version ac435442-b907-442a-9d1c-f951fa41d53c

English chain-of-thought gain difference

English chain-of-thought gain of the subject model minus that of the comparator model, on the same questions.

Key english_cot_gain_difference · version a8a88632-e5bd-42b6-8a04-17b77ce87d13

Bielik-PL-11B-v3.0-Instruct

The 11B instruction-tuned Bielik v3 PL model with the APT4 tokenizer.

Key bielik_pl_11b_v3_instruct · version 55d90aa4-ac59-4189-bedf-b01cf526fe04