A new game show asks two strangers to negotiate with one another to determine whether they will split a shared prize or whether they will steal the prize only for themselves. If both decide to split, then prize money is split. If one decides to steal, then the stealer wins the entire prize. If both decide to steal, then no one wins. What does this exemplify?

Eric had a sleep-related experience where he reported feeling strapped down and unable to move or examine much of his surroundings

This inability to move that occurs just after falling asleep or just before waking up is called A) dissociation. B) hypnosis. C) an out-of-body experience. Incorrect. Sleep paralysis is different from an out-of-body experience. D) sleep paralysis. Correct. Sleep paralysis is the strange experience of being unable to move just after falling asleep or immediately upon awakening.

According to surveys in which teens report their increasingly intimate sexual activities,

A) boys and girls follow the same sequence of activities at about the same age. B) girls report the same sequence of activities as boys, but a year later. C) girls, who reach puberty earlier than boys, become involved in sexual activity earlier too. D) the sequence of sexual activities is shorter for boys, who skip over some of the steps that girls report.