| A-Parm | IRT item discrimination parameter calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the second score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the third score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the fourth score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the fifth score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the sixth score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the seventh score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the eighth score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the ninth score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the tenth score calibrated from a IRT estimation software. |
| B-Parm | IRT item difficulty parameter for the first score calibrated from a IRT estimation software. |
| AIS | Average Item Score. Equal to the mean of the item scores for a group of individuals. |
| AISS | Average Item Score Scaled. Equal to the mean of the item scores for a group of individuals divided by the max score of the item |
| rbis | An estimate of the biserial correlation between a latent continuous variable hypothesized to underlie performance on a multiple choice keyed item (i.e. item score) and a criterion which is a variable that can take many possible values, such as total score on the test |
| ITC | Item Total Correlation. An estimate of the person correlation between a latent continuous variable hypothesized to underlie performance on a item (i.e. item score) and a criterion which is a variable that can take many possible values, such as total score on the test. |