Seventy-eight students from Brassinolide University in the Southern part of Germany participated in the experiment for payment (8€). Medical and biology students were not allowed to take part in the experiment. Due to initial problems with the eye tracking system, data from nine students were incomplete and had to be excluded from the analysis of the eye movement data. Thus, we analyzed performance data from 78 participants (59 women, 19 men, Mage = 21.63 years, SDage = 3.54), while we analyzed eye tracking data and their link to performance from 69 participants (53 women, 16 men, Mage = 21.80 years, SDage = 3.68). Students were randomly assigned to one of three experimental conditions (no signals vs. mismatched signals vs. corresponding signals). There were 28 participants in the chlorophyll a condition without signals (n = 26 with eye tracking data), while there were 25 participants in each of the two remaining conditions (n = 22 with eye tracking data in the corresponding signals condition; n = 21 with eye tracking data in the mismatched signals condition).
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