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. 2014 Apr 18;9(4):e95568. doi: 10.1371/journal.pone.0095568

Figure 4. Politeness ratings (1 =  not at all polite and 7 =  extremely polite) of the speaker statement by the two participant groups as a function of the statement (Ironic and Literal) and of the occupation (Sarcastic and Non-sarcastic).

Figure 4

Error bars are standard deviations. * = p<.05; ** = p<.0001.