A lot, apparently. The excellent BPS Research digest breaks down this study which compared the words used in 694 different blogs to the results of personality tests taken by the bloggers. They found:
More neurotic bloggers used more words associated with negative emotions; extravert bloggers used more words pertaining to positive emotions; high scorers on agreeableness avoided swear words and used more words related to communality; and conscientious bloggers mentioned more words with achievement connotation…
…Among the most strong and intriguing correlations were: Neuroticism correlated with use of ‘irony’ and negatively correlated with ‘invited’; Extraversion correlated with ‘drinks’ and negatively correlated with ‘computer’; Openness correlated with ‘ink’; Agreeableness with ‘wonderful’ and negatively correlated with ‘porn’; and Conscientiousness correlated with ‘completed’ and negatively correlated with ‘boring’.
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Related posts:
Why you might want to ignore everything I post on this blog
Why you might want to ignore everything I post on this blog, part 2
Why you might want to ignore everything I post on this blog, part 3
