Researchers have found that people who live in crowded cities are more likely than others to develop schizophrenia (a psychological disorder). From these results, which of the following conclusions (if any) can we draw?

Question

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The research findings only establish a correlation between living in crowded cities and a higher likelihood of developing schizophrenia, not a causal relationship. Therefore, we cannot definitively conclude that city life causes schizophrenia (A), that people with schizophrenia move to cities (B), or that those predisposed to schizophrenia choose city life (C) based solely on this correlation.

Researchers Have Found That People Who Live in Crowded Cities