{"id":"W2238552967","doi":"10.19030/cier.v9i1.9548","title":"Evaluating The Usability And Accessibility Of LMS “Blackboard” At King Saud University","year":2016,"lang":"en","type":"article","venue":"Contemporary Issues in Education Research (CIER)","topic":"Digital Accessibility for Disabilities","field":"Social Sciences","cited_by":82,"is_retracted":false,"has_abstract":true,"ca_institutions":"Athabasca University","funders":"King Saud University","keywords":"Usability; Blackboard (design pattern); Computer science; Upload; Multimedia; World Wide Web; USable; Human–computer interaction; Software engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.003088087,0.0002812114,0.0003860818,0.001364647,0.00110268,0.002020652,0.0003677133,0.0005560743,0.001882025],"category_scores_gemma":[0.01388351,0.0001527695,0.0004492975,0.0006819814,0.0005577448,0.0009684514,0.001108581,0.0003031618,0.000580475],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001027566,"about_ca_system_score_gemma":0.0009924343,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.009964726,"about_ca_topic_score_gemma":0.01044724,"domain_scores_codex":[0.9967597,0.001397265,0.0004046285,0.0001798993,0.001020527,0.0002379952],"domain_scores_gemma":[0.9847862,0.007713746,0.001432777,0.000631535,0.004583386,0.0008523405],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002034868,0.002319884,0.4932534,0.002723858,0.0002098386,0.002012205,0.1261656,0.001952694,0.03274528,0.00112911,0.005212957,0.3302403],"study_design_scores_gemma":[0.00005451253,0.004601465,0.8573172,0.0008723909,0.0002776695,0.0008190979,0.09507195,0.003454103,0.01651636,0.0002861714,0.02056183,0.0001672563],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9976545,0.0001340782,0.0002626492,0.00006911498,0.000006278134,0.0000369124,0.00002340739,0.00002488702,0.001788244],"genre_scores_gemma":[0.9977241,0.0002291796,0.0009274957,0.00003385706,0.000004218572,0.00003927039,0.00005668461,0.000007146255,0.000977992],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.009964726,"threshold_uncertainty_score":0.01981348,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.2323167924172977,"score_gpt":0.5166406642588522,"score_spread":0.2843238718415545,"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."}}