To evaluate the effect of a drug prevention program delivered to junior high school students, a researcher will conduct follow up surveys of the students each year until 12th grade. What is the time dimension of this research project?

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The time dimension of this research project is longitudinal, specifically a panel study because the same group of students will be followed over time and surveyed at multiple points. A cross-sectional study would involve surveying different groups of students at one point in time, a trend study would involve analyzing data from different time periods without following the same individuals, and a point in time study would involve collecting data at one specific point in time without following individuals over time.

To Evaluate the Effect of a Drug Prevention Program Delivered