Psychographics n. : Any attributes relating to personality, values, attitudes, interests, or lifestyles.
As opposed to
Demographics n. : The characteristics of a population (for example, gender, age group, education...).
Pew Research Center has come up with a quiz asking, How Millennial Are You? This generation has become more than a date-range of births and more of an attitude toward life, be you 17 or 70.