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Longitudinal Research

Longitudinal Research

Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...

Chromosome Structure

Chromosome Structure

A functional eukaryotic chromosome must contain three elements: a centromere, telomeres, and numerous origins of replication.
The centromere is a DNA sequence that links sister chromatids. This is also where kinetochores, protein complexes to which spindle microtubules attach, are constructed after the chromosome is replicated. The kinetochores allow the spindle microtubules to move the chromosomes within the cell during cell division.
Telomeres consist of non-coding repetitive nucleotide...

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This Month In Jaad: April 2026

Home
Research Domains
Law And Legal Studies
Private Law And Civil Obligations
Contract Law
This Month In Jaad: April 2026

Related Experiment Video

Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization

Experience is Instrumental in Tuning a Link Between Language and Cognition: Evidence from 6- to 7- Month-Old Infants' Object Categorization

Published on: April 19, 2017

This month in JAAD: April 2026

Dirk M Elston¹

¹Professor and Chairman, Department of Dermatology and Dermatologic Surgery Medical University of SC; MSC 578, 135 Rutledge Avenue; 11th Floor, Charleston, SC 29425-5780.

Journal of the American Academy of Dermatology

|January 25, 2026

Summary

No abstract available in PubMed .

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