You and your friends go to different colleges. Over time, you notice that your friends seem much different from when you were in high school. This is an example of __________

Your roommate's brother has a child who is 9 months old. He was watching a documentary concerning iodine deficiency. He was very concerned and was talking about what he could do to help his son. What did you tell your roommate to tell his brother?

a. There are injections that can retroactively help with iodine deficiency. b. Provide the child with iodized salt. c. Iodine deficiency is not that big of a deal and there is nothing that can be done. d. Many infants who have iodine deficiencies have very high IQ scores later in life.

Which of the following statements is correct about the developmental progression of

bulimia? a. In less than half of cases, bulimia starts with a prolonged period of dieting. b. Many individuals with bulimia develop the disorder after an initial period of anorexia. c. Adolescents with bulimia are often of average weight at the start of the disorder. d. Purging generally begins a year or so before binging. e. Bulimia leads to other psychological disorders in a majority of cases.