According to your textbook, the shared environment of the home has a strong influence on a child's personality development

Which of the following statements is true about the DSM-IV-TR?

a) it describes symptoms and includes lists of specific criteria for diagnosis b) it lists information regarding symptoms but does not include a checklist of criteria that must be met for diagnosis c) it is used to diagnose medical conditions that may have an impact on mental health d) it is used to diagnose all kinds of medical conditions

In regard to the cause of mental retardation (MR),

A) genetic disorders like Down syndrome tend to cause more mild forms of MR. B) the most severe forms of MR are due to prenatal alcohol exposure. C) prenatal exposure to alcohol is the leading known cause of MR. D) ALL of the above are true.