@article{cohen1960,
	title = {{A Coefficient of Agreement for Nominal Scales}},
	author = {J. Cohen},
	journal = {Educational and Psychological Measurement},
	number = {1},
	pages = {37},
	volume = {20},
	year = {1960},
	biburl = {http://www.bibsonomy.org/bibtex/27e9a8dc8c720dcea2bda1cdb7d74b854/mstrohm},
	description = {Introduces Kappa as a way of calculating inter rater agreement between two raters},
	keywords = {INFLUENTIAL methods tools }
}