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stats_item [2017/02/13 11:08]
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|FIXME biserials+|BiserialExam|Future
-|PointBiserialExam|m1 = Mean of correct on Exam for all Candidates that answered correctly. \\ m0 = Mean of correct on Exam for all \\ Candidates that answered incorrectly. \\ n1 = Count of all Candidates that answered correctly. \\ n0 = Count of all Candidates that answered incorrectly. \\ s = Standard deviation of Candidate correct on Exam \\ n = Total number of Candidates on Exam \\ \\ {{:​stat_pointbiserial.png|}}+|PointBiserialExam|See [[stats_concepts#​biserial_calculations|Biserials]]
-|BiserialCorrectedExam|FIXME biserials+|BiserialCorrectedExam|See [[stats_concepts#​biserial_calculations|Biserials]]| 
-|PointBiserialCorrectedExam|FIXME biserials+
-|BiserialSection|FIXME biserials+|PointBiserialCorrectedExam|See [[stats_concepts#​biserial_calculations|Biserials]]
-|PointBiserialSection|m1 = Mean of correct on Exam for all Candidates that answered correctly. \\ m0 = Mean of correct on Exam for all \\ Candidates that answered incorrectly. \\ n1 = Count of all Candidates that answered correctly. \\ n0 = Count of all Candidates that answered incorrectly. \\ s = Standard deviation of Candidate correct on Exam \\ n = Total number of Candidates on Exam \\ \\ {{:​stat_pointbiserial.png|}}+|BiserialSection|Future
-|BiserialCorrectedSection|FIXME biserials+|PointBiserialSection|See [[stats_concepts#​biserial_calculations|Biserials]]
-|PointBiserialCorrectedSection|FIXME biserials+|BiserialCorrectedSection|See [[stats_concepts#​biserial_calculations|Biserials]]
-|BiserialCompetency|FIXME biserials+|PointBiserialCorrectedSection|See [stats_concepts#​biserial_calculations|Biserials]]
-|PointBiserialCompetency|m1 = Mean of correct on Exam for all Candidates that answered correctly. \\ m0 = Mean of correct on Exam for all \\ Candidates that answered incorrectly. \\ n1 = Count of all Candidates that answered correctly. \\ n0 = Count of all Candidates that answered incorrectly. \\ s = Standard deviation of Candidate correct on Exam \\ n = Total number of Candidates on Exam \\ \\ {{:​stat_pointbiserial.png|}}+|BiserialCompetency|Future
-|BiserialCorrectedCompetency|FIXME biserials+|PointBiserialCompetency|See [[stats_concepts#​biserial_calculations|Biserials]]
-|PointBiserialCorrectedCompetency|FIXME biserials|+|BiserialCorrectedCompetency|See [[stats_concepts#​biserial_calculations|Biserials]]
 +|PointBiserialCorrectedCompetency|See [[stats_concepts#​biserial_calculations|Biserials]]|
 |ValueLow|Lowest ValueTotal achieved by a Candidate for this Item| |ValueLow|Lowest ValueTotal achieved by a Candidate for this Item|
 |ValueHigh|Highest ValueTotal achieved by a Candidate for this Item| |ValueHigh|Highest ValueTotal achieved by a Candidate for this Item|
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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|FIXME explain|+|IncludeInStats|See [[Stats_Concepts#​Include in Stats|Include in Stats]]|
 |PROXScore|Future use| |PROXScore|Future use|
 |PROXProportion|Future use| |PROXProportion|Future use|
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 |PROXCalibration|Future use| |PROXCalibration|Future use|
 |PROXCalibrationFinal|Future use| |PROXCalibrationFinal|Future use|
-|PROXCalibrationError |Future use|+|PROXCalibrationError|Future use|