Others' anger makes people work harder not smarter: the effect of observing anger and sarcasm on creative and analytic thinking
Journal of Applied Psychology (2011) - Comment
pubmed: 21574675  doi: 10.1037/a0023593  issn: 1939-1854  issn: 0021-9010 

Ella Miron-Spektor, Dorit Efrat-Treister, Anat Rafaeli, Orit Schwarz-Cohen