Comprehensive Content Analysis Dataset of the Iranian High School "Contemporary History of Iran" Textbook (Lessons 1-26): A Multi-Agent Adjudicated Protocol (CAP) Based on the William Romey Method

Lessons 1 to 26 of the Iranian National High School textbook, "Contemporary History of Iran" (Grade 11, General Curriculum), using the William Romey Method. Developed as an empirical open-data initiative at Farhangian University (Nasiabeh Campus, Tehran), this project aims to enhance teacher agency by transforming pre-service teachers into Intelligent Supervisors of national curricula. The repository is structured chronologically across five specialized student-teacher research cohorts: Lessons 1-5 were systematically evaluated by Setayesh Hatefi and Hanieh Mansourzadeh; Lessons 6-10 were audited by Zahra Arab Firouzjaei, Mobina Ezzati Gardmiran, and Fatemeh Ghaemi; Lessons 11-15 were audited by Reyhaneh Saremi, Fatemeh Safaraei, and Maryam Yazdani; Lessons 16-20 were audited by Elina Itook and Mahdieh Al-Bouyeh; Lessons 21-26 were audited by Mahya Maleki, Mahdieh Mokhtari, and Narges Naderi. The analytical matrix encompasses a comprehensive evaluation of core curricular dimensions: textual narratives, visual illustrations (historical photographs, maps, and documents), integrated classroom activities, and sample evaluation questions. To ensure structural validity and eliminate individual or AI-generated systemic biases, the dataset was generated via the 4-stage Collaborative Adjudication Protocol (CAP): (1) Methodological training based on open-access lesson plans (DOI: 10.5281/zenodo.20568759); (2) Baseline AI-assisted auditing; (3) Peer human-AI cross-auditing utilizing four distinct operational roles (First Auditor, Second Auditor, Prompt Engineer, and Documentation Manager); and (4) Final CAP reconciliation and multi-agent text adjudication. This dataset serves as Volume 3 of the Iranian School Textbook Auditing Repository.