PARENT-CHILD INTERACTION THERAPY (PCIT)

(2011) on the effectiveness of parent training for children with behaviour problems, two theoretical orientations are distinguished: the "behavioural" approach and the approach that is "based on interpersonal relationships". The difference between the two lies in the type of intervention; in programs with a behavioural approach the intervention is based on behaviour modification techniques, whereas in the approach "based on interpersonal relationships" the intervention is aimed at the processes of family interaction and communication. Using the findings of a large number of studies published between 1989 and 2009, these authors concluded that the programs of PT with a behavioural approach are considered to be a more useful and effective alternative than the other modalities. Furthermore, according to Robles and Romero (2011), some authors suggest that the effectiveness can be strengthened if these programs are complemented with skills of communication, empathy and resolving interpersonal conflicts, thereby improving the quality of family functioning. According to Rey (2006), the components, mechanisms and factors that determine the success of these programs are not clear. Moreover, the main limitation of the programs is the high dropout rate, around 40-60%, although in well-organized programs the number of dropouts is significantly reduced (Robles & Romero, 2011). The program by Barkley (Barkley, 1997; Barkley &