Differences
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stats_item [2017/02/10 13:30] steveclarke |
stats_item [2018/04/10 11:17] (current) 72.38.112.148 |
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| |ValueTotal|(ValueCorrect + ValueSkipped + ValueIncorrect)| | |ValueTotal|(ValueCorrect + ValueSkipped + ValueIncorrect)| | ||
| |ValuePercent|{{:stat_valuepercent.png|}}| | |ValuePercent|{{:stat_valuepercent.png|}}| | ||
| - | |Difficulty|x = Count of Correct Items on Exam \\ n = Count of Candidates on Exam \\ \\ x/n| | + | |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 \\ \\ ((Q1-Q4))/n| | + | |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|}}| |
| - | |Biserial|Currently Uncalculated.FIXME biserials| | + | |BiserialExam|Future| |
| - | |Point Biserial|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|See [[stats_concepts#biserial_calculations|Biserials]]| | ||
| + | | | ||
| + | |PointBiserialCorrectedExam|See [[stats_concepts#biserial_calculations|Biserials]]| | ||
| + | |BiserialSection|Future| | ||
| + | |PointBiserialSection|See [[stats_concepts#biserial_calculations|Biserials]]| | ||
| + | |BiserialCorrectedSection|See [[stats_concepts#biserial_calculations|Biserials]]| | ||
| + | |PointBiserialCorrectedSection|See [stats_concepts#biserial_calculations|Biserials]]| | ||
| + | |BiserialCompetency|Future| | ||
| + | |PointBiserialCompetency|See [[stats_concepts#biserial_calculations|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| | ||
| Line 31: | Line 42: | ||
| |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| | ||
| Line 39: | Line 50: | ||
| |PROXCalibration|Future use| | |PROXCalibration|Future use| | ||
| |PROXCalibrationFinal|Future use| | |PROXCalibrationFinal|Future use| | ||
| - | |PROXCalibrationError |Future use| | + | |PROXCalibrationError|Future use| |
