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Intensive Longitudinal Methods: Toward a Psychological Science of Daily Life
Jean-Philippe Laurenceau1, Ana M DiGiovanni2, Niall Bolger3
1Department of Psychological and Brain Sciences, University of Delaware, Newark, Delaware, USA;
Annual Review of Psychology
|October 17, 2025
Summary
Intensive longitudinal methods (ILMs) track thoughts, feelings, and behaviors in real-time. Advances in design and technology allow ILMs to explore kinematics, dynamics, and heterogeneity in psychological functioning.
Area of Science:
- Psychological Science
- Behavioral Science
- Longitudinal Research Methods
Background:
- Intensive longitudinal methods (ILMs) are crucial for understanding psychological functioning in natural settings.
- Research on ILMs has grown significantly, complementing traditional study designs.
- This review builds upon a 2003 article, highlighting advancements in the field over 25 years.
Purpose of the Study:
- To review the evolution and current state of intensive longitudinal methods (ILMs).
- To emphasize the importance of kinematics, dynamics, and heterogeneity in psychological theories.
- To demonstrate how ILMs can address key goals in psychological science.
Main Methods:
- Review of intensive longitudinal methods, including daily diary, experience sampling, and ecological momentary assessment.
- Analysis of advancements in ILM design, technology, and statistical modeling.
- Framework based on kinematics (what happened), dynamics (why it happened), and heterogeneity (individual differences).
Main Results:
- ILMs have evolved substantially due to technological and statistical progress.
- The review highlights three core concepts—kinematics, dynamics, and heterogeneity—essential for psychological theories.
- ILMs provide a robust approach to studying psychological phenomena as they unfold in real-world contexts.
Conclusions:
- Intensive longitudinal methods are vital for developing comprehensive theories of psychological functioning.
- Focusing on kinematics, dynamics, and heterogeneity allows for a deeper understanding of individual experiences.
- ILMs offer powerful tools to investigate the complexities of human thought, feeling, physiology, and behavior.
Keywords:
ambulatory assessmentdaily diariesecological momentary assessmentexperience sampling methodsintensive longitudinal methodslongitudinal methodsMore Related Videos
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