{
  "registry_version": "1.0.0",
  "data": {
    "title": "Strict Take-Home Timebox & Blinded Evaluation Rubric",
    "status": "active",
    "evidence_ids": [
      "evidence.employment_interview_reliability_new_meta_analytic_estimates_by_structure_and_format"
    ],
    "content": "# Strict Take-Home Timebox & Blinded Evaluation Rubric\n\nEnforce strict 3-hour scope limits on take-homes, compensate candidates for extended samples, and grade submissions blind.\n\n### Expected Effects\n- mech.take_home_evaluation_fatigue_asymmetry loses its asymmetry: the timebox binds the reviewer as well as the candidate\n- Who wrote a submission stops being an input to how it is scored\n\n### Measurements\n- `take_home_completion_rate`\n- `inter_rater_rubric_correlation`",
    "aliases": [
      "I-006"
    ],
    "id": "int.strict_take_home_timebox_blinded_evaluation_rubric",
    "type": "intervention",
    "summary": "Enforce strict 3-hour scope limits on take-homes, compensate candidates for extended samples, and grade submissions blind.",
    "targets": [
      "mech.take_home_evaluation_fatigue_asymmetry",
      "loop.take_home_opportunity_cost_saturation_loop",
      "bar.take_home_work_sample_evaluation"
    ],
    "actor": "hiring-manager",
    "scope": "organizational",
    "cost": "medium",
    "evidence_level": "supported",
    "expected_effects": [
      "mech.take_home_evaluation_fatigue_asymmetry loses its asymmetry: the timebox binds the reviewer as well as the candidate",
      "Who wrote a submission stops being an input to how it is scored"
    ],
    "measurements": [
      "take_home_completion_rate",
      "inter_rater_rubric_correlation"
    ],
    "specimens": [
      {
        "kind": "note",
        "label": "The brief and the review record, both bounded",
        "subject": "Take-home — Senior Backend Engineer",
        "lines": [
          {
            "text": "Scope: one endpoint with persistence and tests. Hard timebox: 3 hours. Submit whatever you have at the three-hour mark.",
            "tell": true
          },
          {
            "text": "Anything beyond three hours is paid at our contractor rate; tell us in advance if you want that option.",
            "tell": false
          },
          {
            "text": "Review: submissions are anonymised before grading and scored against the published rubric by two reviewers, minimum 20 minutes each.",
            "tell": true
          }
        ],
        "reading": "Both halves of the asymmetry are addressed at once: the candidate hours are capped and the reviewer minutes have a floor. Capping only one side moves the problem rather than closing it."
      }
    ],
    "perspectives": [
      {
        "actor": "actor.hiring_manager",
        "sees": "A brief with a hard cap, submissions with the names stripped, and two review slots per submission on the team's calendar.",
        "reads": "Reviewer minutes acquire a floor where they had none, and the loop is scheduled in advance rather than fitted around the week as it comes.",
        "does": "Sets the scope so that three hours produces something gradable, and accepts the smaller sample as the evidence the hire is decided on."
      },
      {
        "actor": "actor.candidate",
        "sees": "A stated scope, a hard timebox, a rate for anything beyond it, and a published rubric the submission is graded against.",
        "reads": "The hours are knowable before starting, and the grade is a scored artefact rather than an impression formed in a five-minute scan.",
        "does": "Submits what exists at the three-hour mark instead of competing on hours, and weighs the task against the other processes in flight."
      },
      {
        "actor": "actor.employer_policy",
        "sees": "A request to pay a non-employee for an extended work sample, at a rate, on a contracting route.",
        "reads": "Paying for a sample is a procurement and classification question before it is a hiring one; an unpaid task raises neither.",
        "does": "Defines the rate and the route, or does not — and where it does not, only the timebox half of the intervention ships."
      }
    ]
  }
}