The FAAS were specifically designed to assess the quality of triadic interactions during the LTP along one categorical scale (global assessment of the «family alliance» typology) and 15 ordinal scales (focused on specific characteristics of the interactions). (frontiersin.org)
The direct observational method, based on a recorded play session, named Lausanne Trilogue Play (LTP)(Fivaz - Depeursinge and Corboz - Warnery, 1999), has already shown strong ability to detect the specific characteristics of the family triadic interactions in the context of therapeutic orientation, preventive and social interventions, in particular with infants and children (e.g., Fivaz - Depeursinge and Favez, 2006; Fivaz - Depeursinge et al., 2007, 2009; Galdiolo and Roskam, 2016). (frontiersin.org)
Child responses to parental conflict and their effect on adjustment: a study of triadic relations. (fatherhoodinstitute.org)