(CBS/LIVESCIENCE.COM)--"Nah," "eh," "no" and "ugh": These are the familiar sounds of people who don't seem to like much and conjure negative quips for just about anything. While people with more positive dispositions may try to shake enthusiasm unto these downers, new research helps to explain why this often doesn't work.
That certain people like more things than others may seem obvious, but, until now, nobody has ever tested whether such dispositions operate as distinct personality traits, separate from other traits such as optimism/pessimism or extroversion/introversion. A team of researchers from the University of Illinois at Urbana-Champaign and the University of Pennsylvania have now conducted the first quantitative analysis of dispositional attitude, finding that it is, in fact, distinct from these other traits.
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