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The local health department of a small town has hired a research firm to study the development of cancer in residents in the town due to a suspected cancer-causing agent and environmental pollution. the researcher will compare data on participants at age 10, 20, 30, 40, 50, 60, 70, etc. to see if there are increasing rates of cancer in the town. this type of research study is called a:

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This research is a cross-sectional design. Cross sectional research is performed by taking samples of data at a specific time. An example of this would be to take a snapshot of people of varying ages to observe what might be happening to them at a certain point in time.