Best friends hurley and sayid are lost on a remote island in the south pacific. while they are walking, they unexpectedly see a stranger coming toward them. hurley believes the stranger is about to attack them. sayid believes the stranger is about to greet them and welcome them to the island. as the stranger approaches, hurley experiences fear, but sayid experiences happiness. the friends’ different emotional reactions can be explained by the theory of emotion.

Whether or not a given study has the possibility of causing harm to participants:

Refers to the biological heritage people use to identify themselves.

It is widely assumed that people need to engage in intellectual activities such as solving crossword puzzles or mathematics problems in order to maintain mental sharpness as they age. in fact, however, simply talking to other people—that is, participating in social interaction, which engages many mental and perceptual skills—suffices. evidence to this effect comes from a study showing that the more social contact people report, the better their mental skills. which of the following, if true, most seriously weakens the force of the evidence cited? (a) as people grow older, they are often advised to keep exercising their physical and mental capacities in order to maintain or improve them. (b) many medical conditions and treatments that adversely affect a person's mental sharpness also tend to increase that person's social isolation. (c) many people are proficient both in social interactions and in solving mathematical problems. (d) the study did not itself collect data but analyzed data bearing on the issue from prior studies. (e) the tasks evaluating mental sharpness for which data were compiled by the study were more akin to mathematics problems than to conversation.