Researchers at one point in time assess and compare the performance of different age groups on the sat. the procedure used in this research best illustrates
a. a cross-sectional study.
b. a cohort study.
c. a longitudinal study.
d. the flynn effect.

In the compound republic of america, the power surrendered by the people is first divided between two distinct governments, and then the portion allotted to each subdivided among distinct and separate departments. hence a double security arises to the rights of the people. the different governments will control each other, at the same time that each will be controlled by itself.—madison, number 51 based on the quote, which of the following statements would madison have likely supported? development of political parties is necessary to ensure the security and stability of a democratic government. a government must have enough power to govern however, its power must also be limited by creating multiple branches within it. one government can not carry out the will of the people alone, therefore the establishment of two separate governments is necessary. a government must sometimes limit civil liberties of individuals to ensure the safety and security of all citizens.

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.

When arriving at a navigation lock what is the order of priority