Answer:
Maggie, a graduate student at a local university, is interested in the impact of the No Child Left Behind legislation on intelligence. As a result of this, she gives an intelligence test to people in different age groups from 15 to 45. Maggie is conducting a(n) cross-sectional study.
Step-by-step explanation:
The cross-sectional study attempts to analyze a certain group or population at a determined time. Traditionally, this kind of study put together two groups of different social status or age, and analyze their responses. Then, this information is compared and creates a scenario that allows us to understand the situation.