Studies of nativity and migration have reported that
admission rates of foreign-born persons to mental hospitals were lower than for native-born persons
diseases found in less developed regions are no longer a problem in the United States
immunization programs in developing countries have been highly successful
some migrants have inadequate immunization status with respect to vaccine-preventable diseases
Question 29 Which of the following statements most accurately expresses the downward-drift hypothesis for schizophrenia?