: Research indicates that images of open eyes can even improve how people perceive the "deliciousness" of food, likely due to a positive emotional stimulus associated with the presence of others.
: These cues have been effectively used to reduce littering in public spaces, as people are less likely to break social norms when they feel "seen". The Watchful Eye image
: While many studies support this effect, some recent replication attempts have failed to find a significant impact on behavior, suggesting that the effect may depend on individual personality traits or the specific context of the observation. : Research indicates that images of open eyes
: Studies show that images of watchful eyes can increase charitable donations, encourage proper recycling, and improve overall generosity. encourage proper recycling