Previous studies have shown that nonverbal cues such as a smile or a nod of the head garner interest from potential romantic partners. The gestures have what scientists call “positive signal value,” meaning they create the impression that you are warm and friendly, someone others want to be around.
There are a lot of theories out there about how online dating is bad for us,” Michael Rosenfeld, a sociologist at Stanford who has been conducting a long-running study of online dating, told me the other day. “And mostly they’re pretty unfounded.
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