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stats_item [2017/03/06 13:30]
steveclarke
stats_item [2018/04/10 11:17] (current)
72.38.112.148
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 |ValuePercent|{{:​stat_valuepercent.png|}}| |ValuePercent|{{:​stat_valuepercent.png|}}|
 |Difficulty|x = Count of Correct Items on Exam \\ n = Count of Candidates on Exam \\ \\ {{:​stat_difficulty_candidate.png|}}| |Difficulty|x = Count of Correct Items on Exam \\ n = Count of Candidates on Exam \\ \\ {{:​stat_difficulty_candidate.png|}}|
-|QuestionDiscrimination|A value between -1 and 1 \\ \\ Q1 is the Count of Candidates who responded correctly to Item whose Value total is in the top 27% of all Candidates taking the Exam. \\ Q4 is the Count of Candidates who responded correctly to Item whose Value total is in the top 27% of all Candidates taking the Exam. \\ n = Count of Candidates \\ \\ {{:​stat_questiondiscrimination.png|}}|+|QuestionDiscrimination|A value between -1 and 1 \\ \\ Q1 is the Count of Candidates who responded correctly to Item whose Value total is in the top 27% of all Candidates taking the Exam. \\ Q4 is the Count of Candidates who responded correctly to Item whose Value total is in the bottom27% of all Candidates taking the Exam. \\ n = Count of Candidates \\ \\ {{:​stat_questiondiscrimination.png|}}|
 |BiserialExam|Future| |BiserialExam|Future|
 |PointBiserialExam|See [[stats_concepts#​biserial_calculations|Biserials]]| |PointBiserialExam|See [[stats_concepts#​biserial_calculations|Biserials]]|
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 |QtyCorrectTop50|Count of Candidates who responded correctly to Item whose Value total was in top 50% of all Candidates taking Exam| |QtyCorrectTop50|Count of Candidates who responded correctly to Item whose Value total was in top 50% of all Candidates taking Exam|
 |QtyCorrectBottom50|Count of Candidates who responded incorrectly to Item whose Value total was in top 50% of all Candidates taking Exam| |QtyCorrectBottom50|Count of Candidates who responded incorrectly to Item whose Value total was in top 50% of all Candidates taking Exam|
-|TimeTotal|Total Time for all Candidates on this Item.  Used in Online ​testing FIXME link|+|TimeTotal|Total Time for all Candidates on this Item.  Used in [[start#​CE ​Online ​Testing|Online Testing]]|
 |Dichotomous|True if Item has one correct response worth 1 point and all other responses are incorrect worth 0 points.| |Dichotomous|True if Item has one correct response worth 1 point and all other responses are incorrect worth 0 points.|
 |IncludeInStats|See [[Stats_Concepts#​Include in Stats|Include in Stats]]| |IncludeInStats|See [[Stats_Concepts#​Include in Stats|Include in Stats]]|