{
  "design": {
    "alternatives": [
      {
        "aliasing": "none",
        "cells": 180,
        "design_id": "full-180",
        "estimand_coverage": "complete main effects and interactions",
        "reason": "infeasible sample and operational burden",
        "sample_at_32_per_cell": 5760,
        "selected": false
      },
      {
        "aliasing": "H7 and H8 contrasts partially aliased",
        "cells": 16,
        "design_id": "orthogonal-16",
        "estimand_coverage": "main effects plus selected interactions",
        "reason": "fails complete coverage of the eight frozen estimands",
        "sample_at_32_per_cell": 512,
        "selected": false
      },
      {
        "aliasing": "unregistered higher-order interactions remain aliased",
        "cells": 20,
        "design_id": "contrast-complete-20",
        "estimand_coverage": "all eight frozen contrasts plus mechanism and disclosure anchors",
        "reason": "preserved earlier-version candidate; does not cover all v3 contrasts",
        "sample_at_32_per_cell": 640,
        "selected": false
      },
      {
        "aliasing": "lower than selected design",
        "cells": 24,
        "design_id": "expanded-24",
        "estimand_coverage": "all frozen contrasts plus four robustness anchors",
        "reason": "no primary-estimand gain over the selected 20-cell design",
        "sample_at_32_per_cell": 768,
        "selected": false
      },
      {
        "aliasing": "unregistered higher-order interactions remain aliased",
        "cells": 37,
        "design_id": "threshold-dynamic-37",
        "estimand_coverage": "all twenty frozen v3 contrasts and versioned anchors",
        "reason": "bounded additive v3 design covering all registered contrasts",
        "sample_at_32_per_cell": 1184,
        "selected": true
      }
    ],
    "analysis_plan": {
      "cluster": "session",
      "estimand": "intent-to-treat",
      "exclusions": [
        "duplicate synthetic ID",
        "assignment outside manifest",
        "pre-treatment simulator failure"
      ],
      "heterogeneity": [
        "pre-treatment cost stratum",
        "round half"
      ],
      "manipulation_checks": [
        "source choice",
        "screen visibility",
        "reward comprehension"
      ],
      "missing_data": "retain assignment; missing outcomes remain missing; inverse-probability sensitivity only",
      "multiplicity": "Holm within each frozen family; power uses conservative Bonferroni family alpha",
      "per_protocol": "secondary among synthetically compliant records only",
      "post_treatment_controls": "none in the primary specification",
      "primary_specification": "outcome on treatment indicator and randomization-block fixed effects",
      "repeated_rounds": "participant-averaged outcomes, session-clustered inference",
      "robustness": [
        "cluster ICC sensitivity",
        "attrition sensitivity",
        "noise sensitivity",
        "per-protocol secondary"
      ],
      "stopping_rule": "fixed registered sample; no outcome-dependent stopping"
    },
    "factor_levels": {
      "acquisition": [
        "free_common",
        "costly_independent",
        "assigned_independent"
      ],
      "action_horizon": [
        "one_shot",
        "fixed_budget",
        "stopping"
      ],
      "attention_institution": [
        "none",
        "nonbinding_ignore",
        "license"
      ],
      "attribution": [
        "absent",
        "protected"
      ],
      "disclosure": [
        "private",
        "public",
        "public_verifiable"
      ],
      "history_visibility": [
        "not_dynamic",
        "hidden",
        "visible"
      ],
      "policy_recommendation": [
        "none",
        "conditional",
        "contrarian_visible"
      ],
      "portfolio_rule": [
        "none",
        "paired_planner",
        "common_mode",
        "private_following",
        "team_tokens",
        "dynamic_planner"
      ],
      "public_access": [
        "none",
        "all",
        "one_random",
        "selected_audience",
        "designated"
      ],
      "public_precision": [
        "full",
        "reduced"
      ],
      "reward": [
        "equal_split",
        "universal_pooling",
        "sole_rescue",
        "marginal_coverage",
        "dd006b_joint",
        "team_tokens"
      ],
      "team_threshold": [
        "none",
        "two"
      ],
      "timing": [
        "simultaneous_hidden",
        "sequential_visible"
      ]
    },
    "hypotheses": [
      {
        "assumed_effect": 0.2,
        "control_cell": "T01-costly",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H1",
        "model": "blocked linear probability model",
        "multiplicity_family": "acquisition",
        "outcome": "independent_source_acquisition",
        "question": "Do participants under-acquire costly independent evidence?",
        "role": "primary",
        "treatment_cell": "T02-assigned"
      },
      {
        "assumed_effect": 0.12,
        "control_cell": "T00-baseline",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H2",
        "model": "blocked linear probability model",
        "multiplicity_family": "information",
        "outcome": "truthful_report",
        "question": "Does attribution protection increase truthful disclosure?",
        "role": "primary",
        "treatment_cell": "T03-attribution"
      },
      {
        "assumed_effect": 0.1,
        "control_cell": "T00-baseline",
        "direction": "positive",
        "estimand": "ITT mean difference",
        "hypothesis_id": "H3",
        "model": "cluster-robust difference in means",
        "multiplicity_family": "allocation",
        "outcome": "distinct_informed_actions",
        "question": "Does public action visibility increase action diversity?",
        "role": "primary",
        "treatment_cell": "T06-visible"
      },
      {
        "assumed_effect": 0.14,
        "control_cell": "T15-public-pooling",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H4",
        "model": "cluster-robust linear probability model",
        "multiplicity_family": "allocation",
        "outcome": "discovery",
        "question": "Does allocation repair outperform disclosure alone?",
        "role": "primary",
        "treatment_cell": "T19-visible-coverage"
      },
      {
        "assumed_effect": 0.15,
        "control_cell": "T07-pooling",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H5",
        "model": "cluster-robust linear probability model",
        "multiplicity_family": "allocation",
        "outcome": "discovery",
        "question": "Does marginal-coverage reward improve discovery more than universal pooling?",
        "role": "primary",
        "treatment_cell": "T09-coverage"
      },
      {
        "assumed_effect": 0.18,
        "control_cell": "T05-verifiable",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H6",
        "model": "blocked linear probability model",
        "multiplicity_family": "information",
        "outcome": "action_obedience",
        "question": "Does the DD-006B mechanism improve joint truth and obedience?",
        "role": "primary",
        "treatment_cell": "T16-verifiable-joint"
      },
      {
        "assumed_effect": 0.1,
        "control_cell": "T04-public",
        "direction": "positive",
        "estimand": "ITT mean difference",
        "hypothesis_id": "H7",
        "model": "blocked difference in means",
        "multiplicity_family": "information",
        "outcome": "disclosure_precision",
        "question": "Does verifiable provenance improve disclosure precision?",
        "role": "secondary",
        "treatment_cell": "T05-verifiable"
      },
      {
        "assumed_effect": 0.08,
        "control_cell": "T13-costly-coverage",
        "direction": "positive",
        "estimand": "pre-specified difference-in-differences interaction",
        "hypothesis_id": "H8",
        "model": "factorial interaction with block fixed effects",
        "multiplicity_family": "acquisition",
        "outcome": "social_net_value",
        "question": "Are acquisition assignment and allocation repair complementary?",
        "role": "secondary",
        "treatment_cell": "T14-assigned-coverage"
      },
      {
        "assumed_effect": 0.22,
        "control_cell": "T21-random-reader",
        "direction": "positive",
        "estimand": "ITT mean difference",
        "hypothesis_id": "H9",
        "model": "session-clustered difference in means",
        "multiplicity_family": "attention",
        "outcome": "public_signal_use",
        "question": "Does broadcast induce more public-signal use than one-reader access?",
        "role": "primary",
        "treatment_cell": "T20-public-all"
      },
      {
        "assumed_effect": 0.12,
        "control_cell": "T20-public-all",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H10",
        "model": "session-clustered linear probability model",
        "multiplicity_family": "attention",
        "outcome": "discovery",
        "question": "Does single-reader access improve discovery relative to full broadcast?",
        "role": "primary",
        "treatment_cell": "T21-random-reader"
      },
      {
        "assumed_effect": 0.18,
        "control_cell": "T25-ignore-recommendation",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H11",
        "model": "blocked linear probability model",
        "multiplicity_family": "implementation",
        "outcome": "one_reader_alignment",
        "question": "Does an attention license outperform a nonbinding ignore recommendation?",
        "role": "primary",
        "treatment_cell": "T26-attention-license"
      },
      {
        "assumed_effect": 0.24,
        "control_cell": "T20-public-all",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H12",
        "model": "blocked linear probability model",
        "multiplicity_family": "implementation",
        "outcome": "one_reader_alignment",
        "question": "Does a designated reader implement one-reader allocation over broadcast?",
        "role": "primary",
        "treatment_cell": "T24-designated-reader"
      },
      {
        "assumed_effect": 0.08,
        "control_cell": "T20-public-all",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H13",
        "model": "session-clustered linear probability model",
        "multiplicity_family": "attention",
        "outcome": "discovery",
        "question": "Do conditional recommendations improve discovery over broadcast?",
        "role": "secondary",
        "treatment_cell": "T27-off-signal-rescue"
      },
      {
        "assumed_effect": 0.07,
        "control_cell": "T25-ignore-recommendation",
        "direction": "positive",
        "estimand": "ITT mean difference",
        "hypothesis_id": "H14",
        "model": "session-clustered difference in means",
        "multiplicity_family": "attention",
        "outcome": "contrarian_action",
        "question": "Does action visibility induce the registered contrarian response?",
        "role": "secondary",
        "treatment_cell": "T28-conditional-visible"
      },
      {
        "assumed_effect": 0.18,
        "control_cell": "T30-threshold-common-mode",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H15",
        "model": "session-clustered linear probability model",
        "multiplicity_family": "threshold",
        "outcome": "discovery",
        "question": "Does paired threshold allocation improve discovery over common-mode crowding?",
        "role": "primary",
        "treatment_cell": "T29-threshold-paired-planner"
      },
      {
        "assumed_effect": 0.14,
        "control_cell": "T30-threshold-common-mode",
        "direction": "positive",
        "estimand": "ITT mean difference",
        "hypothesis_id": "H16",
        "model": "blocked difference in means",
        "multiplicity_family": "threshold",
        "outcome": "threshold_portfolio_efficiency",
        "question": "Do team-token recommendations improve threshold portfolio efficiency over common mode?",
        "role": "primary",
        "treatment_cell": "T32-threshold-team-tokens"
      },
      {
        "assumed_effect": 0.1,
        "control_cell": "T30-threshold-common-mode",
        "direction": "positive",
        "estimand": "ITT mean difference",
        "hypothesis_id": "H17",
        "model": "session-clustered difference in means",
        "multiplicity_family": "threshold",
        "outcome": "viable_team_count",
        "question": "Does private following increase viable-team count over common mode?",
        "role": "secondary",
        "treatment_cell": "T31-threshold-private-following"
      },
      {
        "assumed_effect": 0.1,
        "control_cell": "T34-dynamic-bayes-visible-fixed",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H18",
        "model": "session-clustered linear probability model",
        "multiplicity_family": "dynamic",
        "outcome": "discovery",
        "question": "Does hidden history preserve discovery relative to visible action history?",
        "role": "primary",
        "treatment_cell": "T33-dynamic-bayes-hidden-fixed"
      },
      {
        "assumed_effect": 0.2,
        "control_cell": "T35-dynamic-planner-hidden-fixed",
        "direction": "positive",
        "estimand": "ITT mean difference",
        "hypothesis_id": "H19",
        "model": "blocked difference in means",
        "multiplicity_family": "dynamic",
        "outcome": "action_savings",
        "question": "Does the registered stopping policy save actions relative to a fixed planner horizon?",
        "role": "primary",
        "treatment_cell": "T36-dynamic-planner-hidden-stopping"
      },
      {
        "assumed_effect": 0.16,
        "control_cell": "T33-dynamic-bayes-hidden-fixed",
        "direction": "positive",
        "estimand": "ITT risk difference",
        "hypothesis_id": "H20",
        "model": "session-clustered linear probability model",
        "multiplicity_family": "dynamic",
        "outcome": "discovery",
        "question": "Does hidden-history planner allocation improve discovery over hidden-history Bayes behavior?",
        "role": "secondary",
        "treatment_cell": "T35-dynamic-planner-hidden-fixed"
      }
    ],
    "no_human_data": true,
    "notice": "No participants were recruited. No human data were collected. No experiment was conducted. Separate ethics and institutional review are required before deployment.",
    "outcomes": [
      {
        "definition": "One if the assigned source choice is an independent channel before evidence is observed.",
        "outcome_id": "independent_source_acquisition",
        "role": "primary",
        "unit": "binary"
      },
      {
        "definition": "One if the submitted report equals the participant's observed synthetic signal.",
        "outcome_id": "truthful_report",
        "role": "primary",
        "unit": "binary"
      },
      {
        "definition": "One if the action equals the treatment-specific recommendation.",
        "outcome_id": "action_obedience",
        "role": "primary",
        "unit": "binary"
      },
      {
        "definition": "Distinct evidence-supported actions divided by the team action budget.",
        "outcome_id": "distinct_informed_actions",
        "role": "primary",
        "unit": "team proportion"
      },
      {
        "definition": "One if at least one team action covers the realized synthetic target.",
        "outcome_id": "discovery",
        "role": "primary",
        "unit": "binary team outcome"
      },
      {
        "definition": "Team discovery value minus declared source and mechanism costs.",
        "outcome_id": "social_net_value",
        "role": "primary",
        "unit": "expected payoff"
      },
      {
        "definition": "Number of submitted treatment-permitted messages.",
        "outcome_id": "communication_volume",
        "role": "secondary",
        "unit": "message count"
      },
      {
        "definition": "Truthful disclosed reports divided by all disclosed reports.",
        "outcome_id": "disclosure_precision",
        "role": "secondary",
        "unit": "proportion"
      },
      {
        "definition": "Sum of squared action shares within a team-round.",
        "outcome_id": "action_concentration",
        "role": "secondary",
        "unit": "Herfindahl index"
      },
      {
        "definition": "Sum of squared source-choice shares within a team-round.",
        "outcome_id": "source_concentration",
        "role": "secondary",
        "unit": "Herfindahl index"
      },
      {
        "definition": "Elapsed synthetic decision time from screen display to submission.",
        "outcome_id": "response_time",
        "role": "secondary",
        "unit": "seconds"
      },
      {
        "definition": "Pre-specified confidence response submitted before outcome feedback.",
        "outcome_id": "confidence",
        "role": "secondary",
        "unit": "0-100 scale"
      },
      {
        "definition": "Declared base reward plus transfer minus evidence cost.",
        "outcome_id": "individual_payoff",
        "role": "secondary",
        "unit": "experimental points"
      },
      {
        "definition": "Total externally financed transfer in a team-round.",
        "outcome_id": "transfer_budget",
        "role": "secondary",
        "unit": "experimental points"
      },
      {
        "definition": "One if behavior lies in the treatment's frozen exact-model response set.",
        "outcome_id": "equilibrium_consistent_behavior",
        "role": "secondary",
        "unit": "binary"
      },
      {
        "definition": "Actions using the public clue divided by all submitted actions.",
        "outcome_id": "public_signal_use",
        "role": "primary",
        "unit": "team proportion"
      },
      {
        "definition": "One when exactly one role conditions its action on the public clue.",
        "outcome_id": "one_reader_alignment",
        "role": "primary",
        "unit": "binary team outcome"
      },
      {
        "definition": "One when discovery is made by an action differing from the public clue.",
        "outcome_id": "off_signal_rescue",
        "role": "secondary",
        "unit": "binary team outcome"
      },
      {
        "definition": "Actions choosing the registered third option on clue disagreement.",
        "outcome_id": "contrarian_action",
        "role": "secondary",
        "unit": "team proportion"
      },
      {
        "definition": "Candidates receiving at least the registered threshold number of actions.",
        "outcome_id": "viable_team_count",
        "role": "primary",
        "unit": "count"
      },
      {
        "definition": "Realized viable-team discovery divided by the frozen planner value.",
        "outcome_id": "threshold_portfolio_efficiency",
        "role": "primary",
        "unit": "proportion"
      },
      {
        "definition": "Submitted actions before the fixed horizon or registered stopping time.",
        "outcome_id": "expected_actions",
        "role": "secondary",
        "unit": "action count"
      },
      {
        "definition": "Fixed action budget minus submitted actions at the registered stopping time.",
        "outcome_id": "action_savings",
        "role": "secondary",
        "unit": "action count"
      }
    ],
    "public_status": "synthetic-preregistration-ready-not-preregistered",
    "reference_claims": [
      "DD-C-0051",
      "DD-C-0052",
      "DD-C-0053",
      "DD-C-0054",
      "DD-C-0059",
      "DD-C-0060",
      "DD-C-0062",
      "DD-C-0064",
      "DD-C-0066",
      "DD-C-0067",
      "DD-C-0071",
      "DD-C-0073",
      "DD-C-0079",
      "DD-C-0080",
      "DD-C-0081",
      "DD-C-0082",
      "DD-C-0083",
      "DD-C-0084",
      "DD-C-0085",
      "DD-C-0086"
    ],
    "reference_runs": [
      "20260721T141527Z_DD-008_0d11dc77_7e0c8f1d66",
      "20260721T163030Z_DD-008A_8b70668b_06307caab4",
      "20260721T165512Z_DD-006B_f022a1a5_3be21d0b9b",
      "20260721T171249Z_DD-009_bc78d249_0c3851c41a",
      "20260721T212943Z_DD-012_9ed0928e_4a3f1ba62b",
      "20260721T215811Z_DD-013_09c07448_cdac4fb512",
      "20260721T222047Z_DD-014_f5f099a8_ea0276dd16",
      "20260722T021526Z_DD-016_00271ff8_123b2809e3",
      "20260722T043713Z_DD-015_92d53ac1_0e7cf1ec0a",
      "20260722T044453Z_DD-015_34bc4379_33e1da478b",
      "20260722T051847Z_DD-018_a193f602_3b3ddac173"
    ],
    "response_scenarios": [
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 1.0,
        "intracluster_correlation": 0.0,
        "label": "rational attention equilibrium",
        "noise_multiplier": 0.85,
        "scenario_id": "S1-rational"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.8,
        "intracluster_correlation": 0.02,
        "label": "noisy best response",
        "noise_multiplier": 1.15,
        "scenario_id": "S2-quantal"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.7,
        "intracluster_correlation": 0.04,
        "label": "heterogeneous source costs",
        "noise_multiplier": 1.1,
        "scenario_id": "S3-costs"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.75,
        "intracluster_correlation": 0.05,
        "label": "social preference heterogeneity",
        "noise_multiplier": 1.2,
        "scenario_id": "S4-social"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.6,
        "intracluster_correlation": 0.03,
        "label": "partial compliance",
        "noise_multiplier": 1.15,
        "scenario_id": "S5-compliance"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.65,
        "intracluster_correlation": 0.03,
        "label": "report error",
        "noise_multiplier": 1.2,
        "scenario_id": "S6-report-error"
      },
      {
        "attrition_rate": 0.15,
        "effect_multiplier": 0.8,
        "intracluster_correlation": 0.04,
        "label": "attrition",
        "noise_multiplier": 1.1,
        "scenario_id": "S7-attrition"
      },
      {
        "attrition_rate": 0.05,
        "effect_multiplier": 0.9,
        "intracluster_correlation": 0.08,
        "label": "learning over rounds",
        "noise_multiplier": 1.05,
        "scenario_id": "S8-learning"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.72,
        "intracluster_correlation": 0.05,
        "label": "heterogeneous public-clue salience",
        "noise_multiplier": 1.18,
        "scenario_id": "S9-salience"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.55,
        "intracluster_correlation": 0.06,
        "label": "memory leakage across attention modes",
        "noise_multiplier": 1.22,
        "scenario_id": "S10-memory-leakage"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.58,
        "intracluster_correlation": 0.05,
        "label": "designated-role aversion",
        "noise_multiplier": 1.2,
        "scenario_id": "S11-role-aversion"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.65,
        "intracluster_correlation": 0.05,
        "label": "threshold-team coordination loss",
        "noise_multiplier": 1.15,
        "scenario_id": "S12-threshold-coordination"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.7,
        "intracluster_correlation": 0.05,
        "label": "visible-history herding response",
        "noise_multiplier": 1.18,
        "scenario_id": "S13-visibility-herding"
      },
      {
        "attrition_rate": 0.0,
        "effect_multiplier": 0.6,
        "intracluster_correlation": 0.06,
        "label": "heterogeneous stopping compliance",
        "noise_multiplier": 1.2,
        "scenario_id": "S14-stopping-heterogeneity"
      }
    ],
    "schema_version": "dd011-experiment-v3",
    "study_id": "DD-011",
    "treatment_cells": [
      {
        "acquisition": "free_common",
        "action_horizon": "one_shot",
        "attention_institution": "none",
        "attribution": "absent",
        "cell_id": "T00-baseline",
        "disclosure": "private",
        "history_visibility": "not_dynamic",
        "policy_recommendation": "none",
        "portfolio_rule": "none",
        "public_access": "none",
        "public_precision": "full",
        "reward": "equal_split",
        "team_threshold": "none",
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}
