| NumberChoosingResponse |
The number of people choosing a specified response or getting a specified code. |
Equal to the number of individuals that selected the response option. This
can also be used for the number of individuals that received a certain rating on a
judged item such as an essay question. |
| PercentChoosingResponse |
The percent of people choosing a specified response or getting a specified code. |
Equal to the percent of test-takers that selected the response option. This
can also be used for the percent of individuals that received a certain rating on a
judged item such as an essay question. |
| AIS-Response |
Average Item Score for Response |
Equal to the mean of the item scores for the group of individuals that
selected the response option. |
| PTbis-Response |
r-pointbiserial for Response |
A group-dependent measure of the discrimination of the response option, the
pointbiserial correlation between selection of the response option and a criterion
such as the total score on the test. |