TermCraft conventionFoundational
Longitudinal Study
Studying the same people over weeks or months.
Definition
Research conducted over an extended period to observe change over time.
Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.
In plain language
Studying the same people over weeks or months.
Example
A two-week diary study capturing how a habit forms after onboarding.
Continue from here
Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.
Deeper reading
The full entry behind this definition.
- Mere Exposure EffectPsychology
- Spacing EffectPsychology
- Diary StudiesResearch method