Distributional methods such as Linguistic Style Matching (LSM) (Niederhoffer and Pennebaker, 2002;Ireland et al., 2011) or the Zelig Quotient (Jones et al., 2014) calculate the similarity between the conversation participants over their frequencies of word or word category use in all utterances within the conversation.
conditional metrics, such as Local Linguistic Alignment (LLA) (Fusaroli et al., 2012;Wang et al., 2014) and the metric used by Danescu-Nicolescu-Mizil et al.