1. Parenting stress index: (Short form);Abidin,1990
2. Children in foster care by age group;Annie E. Casey Foundation Kids Count Data Center,2015
3. Adult adolescent parenting inventory –2;Bavolek,1999
4. California Evidence-Based Clearinghouse for Child Welfare,2006
5. NSCAW II wave 2 report: Child permanency. OPRE report #2013-28;Casanueva,2012