R.174 Identify Limitations and Qualifications
0%
Skill Level🔴 Hard
00:00
Progress to Next Level25% to Medium
EasyMediumHardMastery100%

Passage

A cultural affairs report concluded that public murals reduced commercial vacancy. Vacancy rates fell in three mural districts after installations. During the same year, the city also offered tax credits to landlords who renovated storefronts in those districts and began a marketing campaign promoting local shopping corridors.

Which factor most limits the report's causal interpretation?