Toronto: Making eye contact can actually make people more resistant to persuasion, especially when they already disagree, according to a new study.

Making eye contact has long been considered an effective way of drawing a listener in and bringing him or her around to your point of view, so researchers set out to investigate the effects of eye contact in situations involving persuasion.

"There is a lot of cultural lore about the power of eye contact as an influence tool," said lead researcher Frances Chen, assistant professor at the University of British Columbia, Canada, who conducted the research at the University of Freiburg, Germany.

"But our findings show that direct eye contact makes sceptical listeners less likely to change their minds, not more, as previously believed," said Chen.

Chen and colleagues took advantage of recently developed eye-tracking technology.

They found that the more time participants spent looking at a speaker's eyes while watching a video, the less persuaded they were by the speaker's argument - that is, participants' attitudes on various controversial issues shifted less as they spent more time focusing on the speaker's eyes.

Spending more time looking at the speaker's eyes was only associated with greater receptiveness to the speaker's opinion among participants who already agreed with the speaker's opinion on that issue.

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