Your 20-year-old brother and your father are playing a game that requires quick responses and your brother is consistently winning. Why? Your brother ____

Which of the following is NOT cited by your textbook as a possible explanation for the apparent effectiveness of CAM treatment, including homeopathy?

A) The symptoms of many physical conditions come and go, so a treatment may appear to be effective when the symptoms have simply diminished. B) A condition may have been diagnosed as being more severe than it really was in the first place. C) The treatment may be interacting with some other valid medical intervention to cause a faster amelioration of symptoms. D) People perceive that the treatment has been effective because they have no evidence to counter that belief.

An anthropologist wrote a story on her observations of young boys jumping off tree limbs with thick vines attached to their feet. What is the likely significance of such observations for the study of developmental psychology?

a) The story described a rite of passage into adulthood. b) In some cultures, this educational experience is considered necessary for survival. c) The young boys are required to compete with one another in order to see who will be the group leader. d) Regardless of where you are on the globe, males tend to engage in more risky behaviors than do females.