Findings come from a study by researchers at the University of Pittsburgh, the University of Oregon, the University of California Riverside, George Washington University, Yale University, and The Pennsylvania State University.
Parenting behavior in adoptive families
The study also took into consideration the effects of the birth mothers' aggression and mental health problems on children's behavior.
Fuente: Medical Xpress, 20 February 2018.
Fuente: Medical Xpress, 20 February 2018.