An incentive is a:
a) state of deprivation that triggers arousal.
b) state of arousal triggered by deprivation.
c) rigidly patterned behavior characteristic of an entire species.
d) basic need listed on the lower levels of Maslow's hierarchy.
e) positive or negative environmental stimulus that motivates behavior.

What is the role of buyer & seller in the marketplace

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.

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?