Squibs and Discussions: Identifying Sources of Disagreement: Generalizability Theory in Manual Annotation Studies Petra Saskia Bayerl author Karsten Ingmar Paul author 2007 text journal article Computational Linguistics continuing periodical academic journal bayerl-paul-2007-squibs 10.1162/coli.2007.33.1.3 https://aclanthology.org/J07-1002/ 2007 33 1 3 8