You have noticed that your 84-year-old great-grandmother has a much smaller set of friends than she used to have. You know that the same individuals who she used to be friends with are still living in the same neighborhood. According to Cartensen's socioemotional selectivity theory, why is your grandmother not interacting with some of these old friends Older adults tend to . a) become increasingly nervous around other older people

b) withdraw from friendships that are not rewarding

c) not care about friends any longer

d) become more reclusive

Who is the executive branch checking when the president calls a special session of congress

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.

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