{
  "articleNumber": "A09",
  "version": "1.0",
  "title": "From Presence to Revisable Explanation: A Factorial Primary-Study Protocol for Spatial Transfer with NASA Exoplanet Data",
  "slug": "spatial-transfer-exoplanet-factorial-protocol",
  "conceptualCompanionSlug": "movement-thinking-spatial-transfer",
  "author": "Dr. Freedom Cheteni",
  "orcid": "0009-0006-3507-0094",
  "publisher": "The Research University",
  "journal": "Journal for School Superintendents",
  "status": "prospective, unregistered, unreviewed protocol",
  "actualTrialParticipants": 0,
  "trialResultsReported": false,
  "ethicsApprovalId": null,
  "registrationId": null,
  "acceptanceDate": null,
  "doi": null,
  "design": {
    "targetPopulation": "Consented baseline cohorts in comparable grades9–11 science units; no school recruited",
    "schools": 32,
    "instructors": 32,
    "oneInstructorPerSchool": true,
    "sectionsPerInstructor": 4,
    "studentsPerSection": 24,
    "plannedSections": 128,
    "plannedStudents": 3072,
    "allocationUnit": "course section",
    "allocation": "one of four cells per section within each school/instructor block; consent, baseline and fixed roster precede independent allocation",
    "factors": {
      "I": "Offer of immersive stereoscopic presentation with accessible desktop alternative versus desktop presentation",
      "R": "Explicit prediction–evidence–revision sequence versus time-matched guided comparison"
    },
    "lessons": 3,
    "minutesPerLesson": 45,
    "primaryEndpoint": "Day21 calendar days after final lesson, ±3school days",
    "primaryOutcome": "Mean of two blinded human raters’0–20 delayed-transfer totals",
    "primaryContrast": "Equal-school mean of μ11−μ10−μ01+μ00; approximate across-block t inference",
    "secondaryContrasts": [
      "Revision marginal effect",
      "Immersion marginal effect"
    ],
    "multiplicity": "One primary interaction; Holm adjustment for two secondary marginal tests",
    "accessibility": "Equivalent non-headset route in all conditions; switching remains in assigned-offer ITT group",
    "interferenceBoundary": "Cross-section sharing/instructor carryover can violate no-material-spillover assumption; monitor and report rather than claiming absence",
    "measurementStatus": "Original draft rubric and tasks require specialist review and external pilot; not a validated spatial-ability scale"
  },
  "executedAnalyses": [
    "Frozen NASA Exoplanet Archive Planetary Systems response feasibility audit",
    "Nine-scenario, 10,000-replicate artificial-data factorial design sensitivity",
    "Geometry and blocked-estimator tests with synthetic fixtures"
  ],
  "sourceRole": "NASA astronomical parameters are task stimuli only, not student outcomes",
  "rightsBoundary": "Public querying and acknowledgment instructions checked; no blanket CC grant asserted; raw response and third-party text/images not redistributed",
  "missingData": "Complete-cohort utility refuses missingness;50-imputation multilevel model, Barnard–Rubin pooling, MNAR shifts and bounded worst-case contrasts specified but not fitted",
  "prospectiveRequirements": [
    "Independent ethics review and appropriate consent/assent",
    "Curriculum/astronomy/accessibility specialist approval of frozen case bank",
    "Pilot instrument validity and rater calibration",
    "Registration and independent editorial handling",
    "Fixed sample, endpoint, minimum important difference and forms before allocation"
  ],
  "manuscriptBodySha256": "5827ad849c36fe5477de901bec46e7d86e83c53c677838950b5ddcd3b066a042",
  "authors": [
    {
      "name": "Agathe Bertin",
      "givenName": "Agathe",
      "familyName": "Bertin",
      "affiliations": [
        "Hasso Plattner Institute of Design",
        "Santa Clara University"
      ],
      "role": "First author",
      "orcid": null,
      "principalInvestigator": false
    },
    {
      "name": "Dr. Freedom Cheteni",
      "givenName": "Freedom",
      "familyName": "Cheteni",
      "affiliations": [],
      "role": "Second author · Principal Investigator",
      "orcid": "0009-0006-3507-0094",
      "principalInvestigator": true
    }
  ],
  "principalInvestigator": "Dr. Freedom Cheteni"
}