Body Language Reveals Wealth | LiveScience

Here's another subtle way that one's station in life perpetuates itself. Higher socio-economic status seems to unconsciously play out in people's body language, with people of higher socioeconomic status seemingly acting more "rude when conversing with others" by exhibiting "more 'impolite' behaviors, such as grooming, doodling and fidgeting" and lower status students showing "more 'I'm interested' gestures" like, laughing, nodding their heads and raising their eyebrows.