| #### Column names for Subject level summary statistics | |
| Some features were adapted from the popEye R package ([github](https://github.com/sascha2schroeder/popEye)) | |
| The if the column depend on a line assignment then a _ALGORITHM_NAME will be at the end of the name. | |
| - subject: Subject identifier, taken from filename | |
| - ntrial: Number of trials for the subject | |
| - n_question_correct: Total number of correctly answered questions | |
| - blink: Mean number of blinks across trials | |
| - nfix: Mean number of fixations across trials | |
| - skip_ALGORITHM_NAME: Mean proportion of words that have been skipped during first-pass reading across trials | |
| - saccade_length_ALGORITHM_NAME: Mean (forward) saccade length | |
| - refix_ALGORITHM_NAME: Mean proportion of words that have been refixated across trials | |
| - reg_ALGORITHM_NAME: Mean proportion of words which have been regressed into across trials | |
| - mean_fixation_duration: Mean fixation duration | |
| - total_fix_duration: Mean total reading time across trials |