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<dataset note_id="001" date="2026-10-16" model="evelabs/ghost" control="evelabs/ghost-control-student-B">
  <teacher_fidelity split="unseen_sessions" n_turns="1254" n_sessions_held_out="252">
      <causal cond="prompt_present" ce_real="3.0294" ce_shuffle="3.0514" delta_mean="-0.02203" se="0.00207" t="-10.63" delta_sum_nats="-3.494" t_sum="-16.41" wins="854" n="1254"/>
      <causal cond="prompt_absent_eeg_only" ce_real="3.1842" ce_shuffle="3.2102" delta_mean="-0.02599" se="0.00226" t="-11.51" delta_sum_nats="-4.244" t_sum="-17.95" wins="878" n="1254"/>
  </teacher_fidelity>
  <entropy_strata n_turns="400" n_tokens="99336">
      <stratum id="Q1" h_lo="0" h_hi="1.15" t_base="0.00082" t_se="0.00104" t_stat="0.79" t_n="25545" s_base="-0.00051" s_se="0.00029" s_stat="-1.75" s_n="25545" k_base="-0.00014" k_se="8e-05" k_stat="-1.7" k_n="25545"/>
      <stratum id="Q2" h_lo="1.15" h_hi="3.06" t_base="0.00857" t_se="0.00172" t_stat="4.97" t_n="25545" s_base="-0.0013" s_se="0.00052" s_stat="-2.52" s_n="25545" k_base="-0.00125" k_se="0.00012" k_stat="-10.5" k_n="25545"/>
      <stratum id="Q3" h_lo="3.06" h_hi="4.91" t_base="0.01368" t_se="0.00201" t_stat="6.81" t_n="25544" s_base="-0.0018" s_se="0.00051" s_stat="-3.54" s_n="25544" k_base="-0.00179" k_se="0.00014" k_stat="-12.64" k_n="25544"/>
      <stratum id="Q4" h_lo="4.91" h_hi="inf" t_base="0.01924" t_se="0.00231" t_stat="8.34" t_n="25545" s_base="0.00205" s_se="0.00056" s_stat="3.66" s_n="25545" k_base="-0.00128" k_se="0.00019" k_stat="-6.64" k_n="25545"/>
  </entropy_strata>
  <prompt_length_strata n_turns="400">
      <stratum id="P1" t_base="0.00774" t_se="0.00162" t_stat="4.79" t_n="32025" s_base="-0.00199" s_se="0.0004" s_stat="-4.93" s_n="32025" k_base="-0.00147" k_se="0.00011" k_stat="-13.47" k_n="32025"/>
      <stratum id="P2" t_base="0.0105" t_se="0.0016" t_stat="6.57" t_n="34831" s_base="-0.00208" s_se="0.00039" s_stat="-5.36" s_n="34831" k_base="-0.00134" k_se="0.00015" k_stat="-8.92" k_n="34831"/>
      <stratum id="P3" t_base="0.01322" t_se="0.00154" t_stat="8.56" t_n="35323" s_base="0.00272" s_se="0.00045" s_stat="6.03" s_n="35323" k_base="-0.00057" k_se="0.0001" k_stat="-6.02" k_n="35323"/>
  </prompt_length_strata>
  <student_context n_turns="1254">
      <regime id="zero_context" prompt_tokens="0" delta="-0.00321" se="0.0004" t="-8.06" n="1254"/>
      <regime id="full_prompt" prompt_tokens="1..704" delta="0.00113" se="0.00054" t="2.09" n="1254"/>
      <regime id="context_swing_did" prompt_tokens="0..704" delta="0.00434" se="0.00048" t="9.04" n="1254"/>
      <regime id="extended_context" prompt_tokens="&gt;356" delta="0.00272" se="0.00045" t="6.03" p="1.6e-09" n="1254"/>
  </student_context>
  <internal_geometry hidden_dim="2560">
      <metric id="cos_real_minus_shuffle" n="400" mean="-0.00068" se="0.0001" t="-6.51"/>
      <metric id="geometry_did" n="400" mean="0.0005" se="9e-05" t="5.34"/>
      <metric id="fidelity_did_kl" n="256" mean="-0.002225" se="0.000541" t="-4.11" p="5.3e-05"/>
      <metric id="onset_divergence_retention" ratio="0.629"/>
  </internal_geometry>
  <benchmarks protocol="raw_completion" seed="1234" arm_a="real_eeg" arm_b="shuffled_eeg" arm_q="base">
      <vocab_distilled tokens="248320" topk_truncation="0" forward_kl="0.85" reverse_kl="0.15" signal_weight="0.15"/>
      <task id="arc_easy" kind="knowledge_mc" q="0.815657" q_se="0.00795675" a="0.816077" a_se="0.00794971" b="0.814394" b_se="0.00797777" ab="0.0016835" ab_p="0.387695" ab_q="0.775391" ab_n="2376" ab_a_only="8" ab_b_only="4" aq="0.000420875" aq_p="1" aq_q="1" bq="-0.00126263" bq_p="0.787706" bq_q="1"/>
      <task id="arc_challenge" kind="knowledge_mc" q="0.517065" q_se="0.0146029" a="0.524744" a_se="0.0145935" b="0.524744" b_se="0.0145935" ab="0" ab_p="1" ab_q="1" ab_n="1172" ab_a_only="4" ab_b_only="4" aq="0.00767918" aq_p="0.187742" aq_q="0.375483" bq="0.00767918" bq_p="0.211024" bq_q="0.351706"/>
      <task id="hellaswag" kind="commonsense_mc" q="0.542422" q_se="0.00497179" a="0.546505" a_se="0.00496815" b="0.546306" b_se="0.00496834" ab="0.000199164" ab_p="0.877614" ab_q="1" ab_n="10042" ab_a_only="22" ab_b_only="20" aq="0.00408285" aq_p="0.00673823" aq_q="0.0673823" bq="0.00388369" bq_p="0.0114989" bq_q="0.0574945"/>
      <task id="piqa" kind="commonsense_mc" q="0.773123" q_se="0.00977158" a="0.775299" a_se="0.00973828" b="0.77802" b_se="0.00969612" ab="-0.00272035" ab_p="0.332306" ab_q="0.775391" ab_n="1838" ab_a_only="6" ab_b_only="11" aq="0.00217628" aq_p="0.643969" aq_q="0.919956" bq="0.00489663" bq_p="0.211024" bq_q="0.351706"/>
      <task id="winogrande" kind="commonsense_mc" q="0.704815" q_se="0.0128194" a="0.703236" a_se="0.0128392" b="0.702447" b_se="0.0128491" ab="0.000789266" ab_p="1" ab_q="1" ab_n="1267" ab_a_only="14" ab_b_only="13" aq="-0.00157853" aq_p="0.913202" aq_q="1" bq="-0.0023678" bq_p="0.822144" bq_q="1"/>
      <task id="boolq" kind="reading_mc" q="0.863303" q_se="0.00600833" a="0.861162" a_se="0.00604768" b="0.862997" b_se="0.00601398" ab="-0.00183486" ab_p="0.286279" ab_q="0.775391" ab_n="3270" ab_a_only="8" ab_b_only="14" aq="-0.00214067" aq_p="0.562093" aq_q="0.919956" bq="-0.00030581" bq_p="1" bq_q="1"/>
      <task id="openbookqa" kind="knowledge_mc" q="0.29" q_se="0.0203132" a="0.306" a_se="0.0206296" b="0.306" b_se="0.0206296" ab="0" ab_p="1" ab_q="1" ab_n="500" ab_a_only="2" ab_b_only="2" aq="0.016" aq_p="0.0385742" aq_q="0.128581" bq="0.016" bq_p="0.057373" bq_q="0.191243"/>
      <task id="copa" kind="commonsense_mc" q="0.87" q_se="0.0337998" a="0.88" a_se="0.0326599" b="0.88" b_se="0.0326599" ab="0" ab_p="1" ab_q="1" ab_n="100" ab_a_only="0" ab_b_only="0" aq="0.01" aq_p="1" aq_q="1" bq="0.01" bq_p="1" bq_q="1"/>
      <task id="lambada_openai" kind="discourse_final_word" q="0.660198" q_se="0.00659876" a="0.651271" a_se="0.00663952" b="0.646031" b_se="0.00666225" ab="0.0052417" ab_p="0.000460005" ab_q="0.00460005" ab_n="5151" ab_a_only="42" ab_b_only="15" aq="-0.0089303" aq_p="0.0154329" aq_q="0.0771643" bq="-0.014172" bq_p="0.000131917" bq_q="0.00131917"/>
      <task id="wikitext" kind="lm_fit" q="11.0204" a="10.9949" b="10.9969"/>
      <task id="truthfulqa_mc2" kind="truthfulness_mc" q="0.48872" q_se="0.0146596" a="0.493908" a_se="0.0145864" b="0.493122" b_se="0.0145808" ab="0.000785789" ab_p="0.172928" ab_q="0.775391" ab_n="817" aq="0.00518746" aq_p="0.111611" aq_q="0.279027" bq="0.00440167" bq_p="0.179124" bq_q="0.351706"/>
  </benchmarks>
</dataset>
