{"stable_id":"a7cc28afea359c61","slug":"eef-chatgpt-lesson-planning-rct","company":"Sixty-eight English secondary schools in the EEF Teacher Choices trial","workflow_name":"Teacher-controlled ChatGPT lesson planning with implementation guide","function_code":"enrollment","pattern_codes":["step_before_decision","creator_to_judge"],"changed_assumption":"Teachers can use a general model for preparation while retaining curriculum, quality, and classroom decisions.","evidence_strength":"verified","publication_tier":"showcase","freshness":"current","reviewed_at":"2026-08-23","updated_at":"2026-08-22","source_quality_summary":"1 independent; publication outcomes are verified.","caveat_summary":"Teachers used ChatGPT for roughly one-third of relevant lessons, so this is not whole-workload reduction. Resource quality is not the same as student learning outcome.","freshness_caveat":null,"workflow_summary":{"before":[{"actor":"Science teacher","action":"Creates questions, quizzes, activities, and differentiated resources without generative AI.","actor_type":"human"},{"actor":"Teacher","action":"Reviews and adapts prepared resources.","actor_type":"human"}],"hinge":"Teachers can use a general model for preparation while retaining curriculum, quality, and classroom decisions.","after":[{"actor":"Science teacher with ChatGPT","action":"Uses an implementation guide and prompts the model for questions, quizzes, activity ideas, or tailored materials.","actor_type":"human"},{"actor":"Teacher","action":"Reviews, corrects, and decides whether to use each resource.","actor_type":"human"}],"decision_mode":"retained","decision_marker":"Human decision retained"},"before":[{"order":1,"actor":"Science teacher","action":"Creates questions, quizzes, activities, and differentiated resources without generative AI.","handoff_to":"Classroom","control":"Teacher judgment and school curriculum."},{"order":2,"actor":"Teacher","action":"Reviews and adapts prepared resources.","handoff_to":"Students","control":"Teacher quality assurance."}],"after":[{"order":1,"actor":"Science teacher with ChatGPT","action":"Uses an implementation guide and prompts the model for questions, quizzes, activity ideas, or tailored materials.","handoff_to":"Teacher","control":"Use limited to lesson preparation."},{"order":2,"actor":"Teacher","action":"Reviews, corrects, and decides whether to use each resource.","handoff_to":"Students","control":"Teacher retains pedagogical authority."}],"decision_rights":"Teachers decide prompts, edits, suitability, and classroom use.","exception_path":"Teachers reject poor output and prepare the resource conventionally.","removed_work":["Some first-draft question, quiz, activity, and differentiation work"],"outcomes":[{"metric":"Weekly Year 7-8 science planning time","baseline":"81.5 minutes in the non-GenAI comparison group.","result":"56.2 minutes in the ChatGPT group, 25.3 minutes or 31% lower.","period":"Weeks 6-10 of a ten-week 2024 trial.","scale":"259 teachers in 68 schools; school-randomized.","attribution_caveat":"Teachers used ChatGPT for roughly one-third of relevant lessons, so this is not whole-workload reduction.","evidence_label":"verified"},{"metric":"Lesson-resource quality","baseline":"Blind expert ratings of non-GenAI resources.","result":"No apparent reduction in quality for ChatGPT-assisted resources.","period":"2024 trial.","scale":"Expert panel blind to trial allocation.","attribution_caveat":"Resource quality is not the same as student learning outcome.","evidence_label":"verified"}],"executive_lesson":"Bounded preparation tasks can save time without degrading reviewed artifacts, but student outcomes remain a separate question.","anti_pattern":"Claiming reduced planning time proves improved learning.","questions_for_leaders":["How is saved time reinvested?","Which subjects generalize?","What student-data use is prohibited?"],"collections":["human-still-decides"],"bundle_version":"1.0.0","bundle_fingerprint":"sha256:c23c6cc2b88153d008ea8fda928f632ce0011fc2d4c5036672a16e5d895bab93","canonical_url":"https://brianletort.ai/transformations/eef-chatgpt-lesson-planning-rct"}