A researcher is developing a measure that captures the impact of living in high-crime neighborhoods. He wants to assess the reliability of his measure, so he administers it to the same people, on two occasions, several weeks apart. The researcher is assessing which kind of reliability

Identify the constitutional principle that is common in both this excerpt and federalist no. 51. based on the constitutional principle identified in part (a), explain how the perspective in this excerpt compares with the perspective in federalist no. 51. explain how the constitutional principle identified in part (a) is reflected in the constitution, including two examples to explain how it affects the u. s. political system