If a psychologist was interested in studying the stability of IQ scores over time, she should use the method of data collection by following the same group of participants over an extended duration.

The answer for the blank space is: cross-sectional.

Explanation:

The cross-sectional method of data collection is mostly employed developmental psychology research; the method—which is used to conduct studies on categories of people who have different interests, but have similar characteristics—is used to collect data of observations taken on regions, organizations, or groups of individuals at a certain point in time, or over a period of time.

the anti federalists was a movement that was opposed to the creation of a us federal government. although they were not as organized as the federalists, they also had a large group of leaders, especially in state politics.

the statement "now, in a large extended country, it is impossible to have a representation, possessing the sentiments, and of integrity, to declare the minds of the people” represents the concerns of the anti federalists.

they strongly believed that the federalists were representing the interests of aristocratic elements of society at the expense of the majority of ordinary people, who lived in a rural society.

their fear for the creation of a strong federal government and the president’s power of veto in their opinion would create a tyrannical rule that would dominate the people. they defended the importance of restraining the government’s power towards people at any cost.