“…Examples of such new models include extensions of the dynamic factor model with time-varying parameters using a state space approach (Chow, Zu, Shifren, & Zhang, 2011;Molenaar, De Gooijer, & Schmitz, 1992), an extension of the (multilevel) vector-autoregressive (VAR) model using threshold parameters representing, for example, emotion dynamics under decreased and increased negative affect (threshold autoregressive models; Haan-Rietdijk, Gottman, Bergeman, & Hamaker, 2014;Hamaker, Zhang, & Maas, 2009;Madhyastha, Hamaker, & Gottman, 2011), and regime switching models, in which different states of emotion dynamics can be specified (Frühwirth-Schnatter, 2006;Hamaker, Grasman, & Kamphuis, 2010;Stifter & Rovine, 2015). Additionally, exploratory tools have been developed to discover which aspects or periods of dyadic interactions show similar patterns (Boker, Rotondo, Xu, & King, 2002;Ferrer, Steele, & Hsieh, 2012;Hsieh, Ferrer, Chen, & Chow, 2010).…”