This class is used for objects that are returned by
A data.frame with global results
A data.frame with all given answers
A vector with the correct answers
A vector with the weights of items
A data.frame with resulting points given for the answers
A vector with assignments of marks to achieved score
A more convenient matrix with summary information on the defined marks
A data.frame of TRUE/FALSE values, whether a subject was able to solve an item or not
A data.frame for anonymous feedback
A table with mean, median and quartiles of the test results
Standard deviation of the test results
Internal consistency, a list of three elements "alpha", "ci" (confidence interval 95%) and "deleted" (alpha if item was removed)
A data.frame with information on difficulty, discriminant power, discriminant factor and selection index of all items.
A list with information on the selected answer alternatives for each individual item.
Currently an empty placeholder. Planned to hold the actual test items in future releases.
Anything that was stored in the
misc slot of the input data.