Eyetracker-Scripts-HowTo.md

@@ -28,7 +28,7 @@ For example, `AOI hit [Set 1 - 6S - Model 7 - Blocks]`.
 
 1. Impute AOI hits in the Tobii export file.
 
-   This program takes an exported data file from the Tobii Pro Lab software and returns a processed version of the file. This data file contains the 'hit values' for the areas of interest for a particular task, eye movement type, and timestamp for each data point. Wherever there is a 'missing' hit value, this script will change the '0' into a '1'. The missing hit values classified as anywhere a string of '1's is disrupted by 0s, but there are no other fixations during that time window.
+   This program takes an exported data file from the Tobii Pro Lab software and returns a processed version of the file. This data file contains the 'hit values' for the areas of interest for a particular task, eye movement type, and timestamp for each data point. A hit value can either be a 0 or 1 and denotes whether or not a participant was looking at that a particular area of interest (AOI) at a given timestamp. Wherever there is a 'missing' hit value, this script will change the '0' into a '1'. The missing hit values classified as anywhere a string of '1's is disrupted by 0s, but there are no other fixations during that time window.
 
    **PARAMETERS:**
    * `export_file`: Path to CSV. Raw Tobii eye-tracking data for all participants.