Eye-tracking and survey results from a survey designed to determine if how uncertainty information was displayed changed users’ decisions from and interpretations of the data. Participants for the survey were 65 students from the University of Reading. Participants were recruited by email. They received £10 for participating in the experiment.
Survey results were recorded manually into 2017_01_13_survey_response_data.csv. Any outliers were removed in data post-processing, not provided here. Therefore, any user of this data will need to remove outliers themselves.
Eye-tracking methods:
Participants were fitted with an Eye link II tracker headset (sampling rate 500Hz), which recorded eye movements of the right eye as they completed the survey on a 21-inch colour desktop PC (refresh rate of 75Hz). A chin rest was used to constrain any head movements and participants were placed in a set position. The distance between the monitor and participant was 57 cm. In this study, we monitored the location and duration of eye fixations, defined as a maintained gaze (the eye was still, i.e. no saccades were detected) on one location. A standard 9-point grid was used to calibrate eye movements at the beginning of the study. All participants calibrated successfully and calibration was maintained for each question using a drift correct.
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