Sequence and Models of filial therapy

Sequence and Models of filial therapy Order Description (support answers with apa resources) Filial therapy has changed over the years. Today most therapists use the ten-week model based on the original Guerney model and the ten-week models developed by Landreth and VanFleet. 1. What are those changes from the original guerney model? 2. Are there any difference between Guerney and Landreth/Vanfleet? 3. Does the length of sessions affect the outcome? and why? (Use research to prove)