Describe the Flaw Practice Test

A city council report notes that neighborhoods with more trees have less crime. Therefore, planting more trees in high-crime areas will reduce crime rates.

A teacher argues that a new reading app improves comprehension. In her class, students who used the app most frequently scored higher on the end-of-unit quiz. She infers that using the app caused the higher scores. Since higher quiz scores indicate better comprehension, she concludes that requiring all students to use the app daily will improve comprehension across the school.