{"id":"W2953491941","doi":"","title":"Understanding Constraints Younger Youth Face in Engaging as Volunteers","year":2009,"lang":"en","type":"article","venue":"Journal of Park and Recreation Administration","topic":"Nonprofit Sector and Volunteering","field":"Social Sciences","cited_by":7,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Psychology; Recreation; Face (sociological concept); Perception; Focus group; Volunteer; Set (abstract data type); Social psychology; Sociology; Political science","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0009993479,0.00006557023,0.0001199886,0.0001367418,0.0002017363,0.0001027094,0.00005004348,0.00007000544,0.00004702044],"category_scores_gemma":[0.0002194479,0.00006146668,0.00003608953,0.0001515511,0.00009049854,0.0005004187,0.000002296513,0.0001624289,0.000001342772],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001909412,"about_ca_system_score_gemma":0.0002284363,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00009731847,"about_ca_topic_score_gemma":0.0002429983,"domain_scores_codex":[0.9991251,0.0001254284,0.0002934276,0.00008036254,0.0002451066,0.0001306269],"domain_scores_gemma":[0.9995703,0.0000594056,0.0001774493,0.0000316172,0.00006268648,0.00009861465],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"qualitative","study_design_gemma":"qualitative","study_design_scores_codex":[0.001262805,0.0005307942,0.2676797,0.0000655578,0.0001335312,0.000206648,0.4089849,0.0004230848,0.02909526,0.2337786,0.0005315608,0.05730759],"study_design_scores_gemma":[0.003236735,0.001601911,0.1644248,0.000890557,0.0001418978,0.0001836303,0.8071476,0.0009387104,0.003178495,0.01520418,0.002380951,0.0006704672],"study_design_candidate":"qualitative","study_design_consensus":"qualitative","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9677976,0.0001205692,0.009540723,0.001612019,0.0002638059,0.000119363,0.000001303395,0.00001273081,0.02053189],"genre_scores_gemma":[0.9990672,0.0002185129,0.0003052028,0.00007228057,0.0001700284,3.249379e-7,0.000002407638,0.000003009444,0.0001610598],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3981627,"threshold_uncertainty_score":0.2506539,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1069831869619973,"score_gpt":0.3503737101779529,"score_spread":0.2433905232159556,"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."}}