To understand the changing demographic characteristics of juvenile offenders, a researcher will survey a random sample of 1,000 juvenile offenders every five years over the next 15 years. What is the time dimension of this research project?

Question

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A trend study involves collecting data from different samples from the same population at different points in time, which is what the described research project does by surveying a new sample of juvenile offenders every five years.

To Understand the Changing Demographic Characteristics of Juvenile Offenders, a Researcher