CITI Training Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

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What does the term "longitudinal study" refer to?

A research design that involves repeated observations of the same variables over a long period

The term "longitudinal study" refers to a research design that involves repeated observations of the same variables over an extended period. This approach allows researchers to track changes and developments in the subjects being studied, providing valuable insights into patterns over time. Longitudinal studies are particularly useful for examining trends, causality, and the dynamics of change in social, psychological, health-related, or behavioral factors.

By collecting data at multiple time points, researchers can identify how variables are related across time, making it easier to observe the effects of time on various aspects of the subjects studied. This method contrasts with cross-sectional studies, which examine a snapshot of data at a single point in time, and it provides a richer context for understanding the continuity and changes in the studied phenomena.

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A type of study that is conducted over a short duration

A method focusing on case studies with minimal time constraints

A study that examines multiple variables at one specific point in time

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