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Cross-Sectional Research

Cross-Sectional Research

In cross-sectional research, a researcher compares multiple segments of the population at the same time. If they were interested in people's dietary habits, the researcher might directly compare different groups of people by age. Instead of following a group of people for 20 years to see how their dietary habits changed from decade to decade, the researcher would study a group of 20-year-old individuals and compare them to a group of 30-year-old individuals and a group of 40-year-old...

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Related Experiment Video

Updated: May 12, 2026

Cortical Source Analysis of High-Density EEG Recordings in Children

Cortical Source Analysis of High-Density EEG Recordings in Children

Published on: June 30, 2014

Bahir Dar Child Development Cross-Sectional Study, Ethiopia: study protocol.

Sarah K G Jensen^1,2, Kalkidan Yibeltal³, Krysten North^2,4

¹Developmental Medicine, Boston Children's Hospital, Boston, Massachusetts, USA sarah.jensen@childrens.harvard.edu.

BMJ Paediatrics Open

|April 3, 2025

Summary

This summary is machine-generated.

This study investigates child development in Ethiopia, examining foundational preacademic skills and neurodevelopmental patterns in young children. It aims to identify key factors influencing development in low-income settings.

Keywords:

Low and Middle Income Countries Neurodevelopment

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Last Updated: May 12, 2026

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Published on: June 30, 2014

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Neuroimaging Field Methods Using Functional Near Infrared Spectroscopy NIRS Neuroimaging to Study Global Child Development: Rural Sub-Saharan Africa

Neuroimaging Field Methods Using Functional Near Infrared Spectroscopy NIRS Neuroimaging to Study Global Child Development: Rural Sub-Saharan Africa

Published on: February 2, 2018

Area of Science:

Neuroscience
Developmental Psychology
Global Health

Background:

Foundational preacademic skills are vital for academic success and long-term outcomes.
Understanding neurodevelopmental patterns in low- and middle-income countries (LMICs) is crucial but limited.
Identifying global and regional factors driving child development in LMICs is essential.

Purpose of the Study:

To characterize typical development in healthy children in Bahir Dar, Ethiopia.
To identify factors influencing child development in this LMIC context.
To explore neurodevelopmental patterns and their correlates.

Main Methods:

A cross-sectional study in Bahir Dar, Ethiopia, involving healthy children aged 6-60 months.
Utilizing the Global Scale for Early Development and neurocognitive assessments (executive functions, school readiness).
Collecting caregiver data on sociodemographics, medical history, nutrition, and psychosocial factors; including low-field MRI scans.

Main Results:

Analyses will examine relationships between risk/protective factors, brain volumes, and neurocognitive/developmental outcomes.
This study will provide insights into typical child development trajectories in an Ethiopian context.
Correlations between environmental factors and neurodevelopmental markers will be investigated.

Conclusions:

This research will contribute to understanding child development in LMICs.
Findings will inform interventions aimed at supporting early childhood development globally.
The study addresses a critical gap in knowledge regarding neurodevelopment in diverse populations.