Determine What Type of Observational Study Is Described

Determine what type of observational study is described. Explain.
-Can money buy happiness? A researcher wanted to determine whether there was any association between economic status and happiness. She selected a sample of 1000 adults and interviewed them. Each person was asked about their financial situation and their level of happiness was evaluated. The researcher analyzed the results to determine whether there was an association between economic status and happiness.

A) cohort; Individuals are observed over a long period of time.
B) retrospective; Individuals are asked to look back in time.
C) cross-sectional; Information is collected at a specific point in time.

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