Adoption Studies Flashcards
what does adoption studies try to eliminate?
the effects of the environment
how do they attempt to do this?
by looking at children who have been adopted and have therefore been raised by adopted parents where there is no genetic similarity
Crowe (1972)
compared a group of adopted children whose biological mother had a criminal record, to a control group of adopted children whose biological mother did not have a criminal record
his findings
he found that if a biological mother had a criminal record, 50% of the adopted children also had one by the time they were 18. but was only 5% in the control group had one.
what does this suggest?
regardless of the changed environment, children seemed biologically predisposed to criminality