Virginia Was Adopted at Age 2 into a Middle-Class Family

Essay

Virginia was adopted at age 2 into a middle-class family with strong ties to the community. Virginia began eating large quantities of sugar and became hyperactive in her elementary school years. She started shoplifting in her early teen years, with each incident preceded by large amounts of soda and candy. Her family sought help for her through counseling. Later, her family discovered that Virginia had an identical twin, who was also adopted by another family experiencing the same types of issues. It was also learned that Virginia's biological mother had served a 10-year prison sentence for various fraud charges using stolen identities. Which theories best explain the facts in Virginia's scenario?