{"id":"W4415030758","doi":"10.2196/78774","title":"Feasibility of the Social Media–Based Prevention Program “Leduin” for German Adolescents on Instagram: Mixed Methods Pilot Study","year":2025,"lang":"en","type":"article","venue":"JMIR Formative Research","topic":"Social Media in Health Education","field":"Social Sciences","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Psychological intervention; German; Program evaluation; Digital health; Social media; Content analysis; MEDLINE","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.01393741,0.0008015804,0.0006395208,0.0009596276,0.00152469,0.001006002,0.001248392,0.0008801692,0.002283833],"category_scores_gemma":[0.00874552,0.0006108839,0.0008965596,0.0004578511,0.001025022,0.001142667,0.00163562,0.0007799359,0.0003873807],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002211782,"about_ca_system_score_gemma":0.004425041,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004647604,"about_ca_topic_score_gemma":0.007954071,"domain_scores_codex":[0.9933193,0.004248837,0.0003341268,0.000479286,0.0006059118,0.001012504],"domain_scores_gemma":[0.9955425,0.001872859,0.0004627342,0.0004982005,0.0006818775,0.0009418592],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"nonrandomized_trial","study_design_scores_codex":[0.0224849,0.2413074,0.3459186,0.001591235,0.0003713613,0.001942495,0.04308815,0.00162344,0.01420196,0.001345729,0.001939051,0.3241858],"study_design_scores_gemma":[0.009122267,0.3195114,0.6035982,0.0003988784,0.0004500072,0.0005014612,0.03968188,0.003616425,0.01192788,0.0006219728,0.01040939,0.000160126],"study_design_candidate":"nonrandomized_trial","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9864829,0.00002926579,0.001157305,0.00005399477,0.00001317953,0.01140485,0.0001703235,0.00002270943,0.0006653519],"genre_scores_gemma":[0.9654699,0.0001145673,0.008195579,0.000199921,0.00003319812,0.02484597,0.0003319065,0.00001421907,0.0007947954],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01393741,"threshold_uncertainty_score":0.07370895,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.4610783480134284,"score_gpt":0.6705594080048523,"score_spread":0.2094810599914239,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}