longitudinal study

USAGE SUMMARY

"longitudinal study" is a correct and usable term in written English.
You could use this phrase to refer to a study which collects data on a particular subject or group of people over a period of time. For example, "The researchers conducted a longitudinal study to assess the impact of nutrition on the long-term health of students".

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

54 human-written examples

A longitudinal study of Swedish conscripts.

Nature

The Amsterdam growth and health longitudinal study.

Nature

Your first longitudinal study looked at families with IVF children.

The Guardian

Design: Nonexperimental, longitudinal study.

Archives of Physical Medicine and Rehabilitation

Design: Longitudinal study.

Archives of Physical Medicine and Rehabilitation

Design: Retrospective longitudinal study.

Drug and Alcohol Dependence

Human-verified similar examples from authoritative sources

Similar Expressions

5 human-written examples

Developmental antecedents of partner abuse: a prospective-longitudinal study.

Duke University

2) Stanford Immune Aging Longitudinal Study.

Stanford University

That was the start of Dr. Sewell's biggest project, the Wisconsin Longitudinal Study.

The New York Times

The new findings are part of the National Longitudinal Study of Adolescent Health.

The New York Times

Application to the Duke Longitudinal Study.

Duke University

Expert writing Tips

Best practice

When using "longitudinal study", clearly define the timeframe and the population being studied to provide context and clarity to your research.

Common error

Avoid using "longitudinal study" when you are actually conducting a cross-sectional study, which collects data at a single point in time rather than over a period.

Linguistic Context

The phrase "longitudinal study" functions primarily as a noun phrase, often used to describe a specific type of research design in academic and scientific contexts. As Ludwig AI explains, it refers to research that collects data over an extended period.

Expression frequency: Very common

Frequent in

Science

50%

Academia

25%

News & Media

25%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "longitudinal study" is a well-established term denoting a research design involving repeated observations of the same variables over a period. As Ludwig AI confirms, it is grammatically correct and commonly used across diverse fields like science, academia, and news. It's crucial to differentiate it from cross-sectional studies that capture data at only one point in time. Related terms include "cohort study" and "panel study". When using "longitudinal study", ensure to specify the timeframe and population for clarity. In essence, "longitudinal study" is a robust methodological approach for analyzing changes and trends over time, but be mindful of the potential for attrition and maintaining data consistency.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

cohort study

Focuses on a specific group of people (a cohort) followed over time, often prospective.

panel study

Emphasizes the use of a panel of subjects, surveyed at multiple points in time.

repeated measures study

Highlights the statistical method of taking repeated measurements on the same subjects.

time-series analysis

Focuses on analyzing data points indexed in time order.

prospective study

Indicates that the study looks forward in time, gathering data as events unfold.

follow-up study

Describes a study that continues to monitor subjects after an initial period.

developmental study

Implies a focus on changes and growth over time, particularly in individuals.

trend analysis

Emphasizes the identification of patterns and directions in data collected over time.

multi-wave study

Highlights that data is collected at multiple 'waves' or time points.

time-based research

General term emphasizing the temporal aspect of the investigation.

FAQs

How is a "longitudinal study" different from a cross-sectional study?

A "longitudinal study" follows the same subjects over a period of time, while a cross-sectional study examines different groups at a single point in time. This makes longitudinal studies useful for understanding change over time, unlike "cross-sectional studies".

What are the benefits of conducting a "longitudinal study"?

Longitudinal studies allow researchers to observe changes in individuals over time, establish sequences of events, and identify long-term trends or patterns that a "cross-sectional study" cannot capture.

What are some challenges associated with "longitudinal studies"?

Challenges include high costs, participant attrition (loss of subjects over time), and the potential for changes in the study environment or measurement tools over the course of the study. It can also be difficult to maintain consistent data collection methods over long periods.

What kind of research questions are best suited for a "longitudinal study"?

Longitudinal studies are ideal for research questions about development, aging, the impact of early experiences, or the long-term effects of interventions or exposures. For example, understanding how childhood poverty affects adult health outcomes would benefit from a longitudinal design.