People often make eye contact only 30 percent of the time, according to an analysis by communications analytics company Quantified Impressions of more than 3,000 people speaking to individuals and groups. To make an emotional connection, you should at least double that, says company president Noah Zandan. Try holding someone's gaze for ten seconds at a time for one-on-one conversations, and for 3 to 5 seconds in group settings.
