Couple conflicts have wide-ranging negative physiological, psychological and relational impacts on both members a couple. Emotions play a key role in conflicts and in particular, negative emotions have been found to escalation conflicts, whereas positive emotions will help a couple spiral toward resolution. Since it is established that emotions can be trained (i.e., Klimecki, Leiberg, Lamm & Singer, 2012; Bolier, et al. 2013; Schumer, Lindsay, & Creswell, 2018), the purpose of the current study was to investigate experimentally which training methodology, between compassion training and cognitive reappraisal training, was the most effective to increase positive emotions and reduce negative emotions among couples...