The meaning of LONGITUDINAL is placed or running lengthwise. How to use longitudinal in a sentence.

LONGITUDINAL definition: of or relating to longitude or length. See examples of longitudinal used in a sentence.

A longitudinal study (or longitudinal survey, or panel study) is a research design that involves repeated observations of the same variables (e.g., people) over long periods of time (i.e., uses longitudinal data).

medical, social sciences Longitudinal research is done on people or groups over a long period of time: longitudinal analysis / studies (Definition of longitudinal from the Cambridge Advanced Learner's …

Mar 7, 2026 · Longitudinal research tracks the same people over time to reveal how things change. Learn how it works, its types, real examples, and key challenges.

Dec 13, 2023 · In longitudinal studies, researchers do not manipulate any variables or interfere with the environment. Instead, they simply conduct observations on the same group of subjects over a period …

A longitudinal line or structure goes from one end of an object to the other rather than across it from side to side. That stability lends itself to longitudinal analysis. Collins COBUILD Advanced Learner’s …

6 days ago · Longitudinal data means repeated measurement of the same individuals over time, enabling analysis of within-person change rather than between-group differences.

Find 18 different ways to say LONGITUDINAL, along with antonyms, related words, and example sentences at Thesaurus.com.

The Framingham study is widely recognised as the quintessential longitudinal study in the history of medical research. An original cohort of 5,209 subjects from Framingham, Massachusetts between …