B) a study wanted to compare the 50 states food expenditures. the researchers measured the amount spent by the state's entire population for food in grocery stores and total amount spent on restaurant food. from their 50 data points (washington dc not in the study), the researchers calculated a correlation of 0.988. based on this study, can we say that individuals who spend a lot on groceries also spend a lot at restaurants? what is the lurking variable?

The principal effector function of igm is

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

Not all members of the radio audience of orson welles' war of the worlds broadcast panicked immediately. indeed, some didn't panic until they looked out of the window and saw empty streets; others didn't panic until they saw streets full of traffic. it was after checking out the situation that these citizens decided that the martians had indeed invaded earth. this example illustrates that contagion can result when people look to others for the interpretation of ambiguous situations . can result when cultural norms reinforce people's most likely responses. occurs primarily because humans are by nature irrational creatures. is especially likely when people are motivated to make independent decisions.