Longitudinal: meaning, definitions and examples
๐
longitudinal
[ lษลษชหtjuหdษชnษl ]
research study
The term 'longitudinal' refers to research that involves repeated observations of the same variables over time. This approach allows researchers to track changes and developments in subjects or phenomena, providing deeper insights into trends. Longitudinal studies are essential for understanding causality and the long-term effects of various interventions. It contrasts with cross-sectional studies, which provide a snapshot at one point in time.
Synonyms
continuous, extended, prolonged, sustained
Examples of usage
- The longitudinal study revealed significant health improvements over ten years.
- Researchers conducted a longitudinal analysis of student performance.
- This longitudinal research helped identify patterns in childhood obesity.
Translations
Translations of the word "longitudinal" in other languages:
๐ต๐น longitudinal
๐ฎ๐ณ เคฒเคเคฌเคตเคค
๐ฉ๐ช longitudinal
๐ฎ๐ฉ longitudinal
๐บ๐ฆ ะดะพะฒะณะธะน
๐ต๐ฑ podลuลผny
๐ฏ๐ต ็ธฆใฎ
๐ซ๐ท longitudinal
๐ช๐ธ longitudinal
๐น๐ท boyuna
๐ฐ๐ท ์ธ๋ก์
๐ธ๐ฆ ุทููู
๐จ๐ฟ podรฉlnรฝ
๐ธ๐ฐ podlลพnรฝ
๐จ๐ณ ็บตๅ็
๐ธ๐ฎ dolลพinski
๐ฎ๐ธ langsumar
๐ฐ๐ฟ ะฑะพะนะปัา
๐ฌ๐ช แกแแแ แซแแแ
๐ฆ๐ฟ uzunluq
๐ฒ๐ฝ longitudinal
Word origin
The word 'longitudinal' originates from the Latin word 'longitudinalis', derived from 'longitudo', which means 'length'. Initially, in the 18th century, it referred to something that is measured along the length. In the context of research, the term gained prominence in the 20th century, especially with advances in multidisciplinary studies where data collection was done over extended periods. Over time, its usage solidified within the fields of sociology, psychology, and health sciences, referring specifically to studies analyzing data and behaviors across various points in time. The importance of longitudinal studies grows as they allow for the examination of developmental trends and the effects of variables over time, making the term increasingly significant in academic literature.