Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Global Climate Change01:50

Global Climate Change

29.1K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
29.1K
pH Scale02:41

pH Scale

80.6K
Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
80.6K
Aging01:26

Aging

848
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
848
Scaling01:26

Scaling

604
In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...
604
Introduction to Global Positioning System01:30

Introduction to Global Positioning System

612
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense  for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
612
Errors in Global Positioning System01:26

Errors in Global Positioning System

364
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
364

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

TBAF-promoted dephenolative transcarbomylation: direct access to substituted carbamates & thiocarbamates.

Organic & biomolecular chemistry·2026
Same author

Strain-dependent bioactive-lipid interactions govern oxidative stability and antimicrobial functionality in Lentinula edodes.

Food research international (Ottawa, Ont.)·2026
Same author

Ubiquitin Ligases in pro-atrophic and antiatrophic signaling cascades in muscles.

Molecular biology reports·2026
Same author

Macromolecular Organization in Lentinula edodes: Integrating Co-Occurring Bioactives for Structure-Function Relationships Across Gut Microbiota and Host Metabolism.

Comprehensive reviews in food science and food safety·2026
Same author

Healing Without Wheat: Navigating the Nutritional Landscape of Gluten-Free Flours in Celiac Disease.

Nutrition reviews·2026
Same author

Prognostic significance of KRAS G12C versus non-G12C RAS mutations in metastatic colorectal cancer: a systematic review and meta-analysis.

The oncologist·2026

Related Experiment Video

Updated: Feb 15, 2026

Large-Scale Screens of Metagenomic Libraries
16:05

Large-Scale Screens of Metagenomic Libraries

Published on: May 28, 2007

9.3K

Ages and Stages Questionnaire: a global screening scale.

Ajay Singh1, Chia Jung Yeh2, Sheresa Boone Blanchard2

  • 1College of Education and Technology, Eastern New Mexico University, Portales, New Mexico, USA.

Boletin Medico Del Hospital Infantil De Mexico
|January 25, 2018
PubMed
Summary

Standardized screening tools, like the Ages and Stages Questionnaire, can reliably detect developmental disabilities in infants as young as 4 months. This review highlights the global utility of such developmental screening instruments.

Keywords:
Ages and Stages Questionnaire (ASQ)Cuestionario de Edades y Etapas (ASQ)Developmental assessmentDevelopmental screeningEarly identificationEarly intervention servicesEvaluación del desarrolloGlobal screening scaleIdentificación tempranaPruebas de desarrolloServicios de intervención tempranaTamiz a escala global

More Related Videos

A Robust Method for the Large-Scale Production of Spheroids for High-Content Screening and Analysis Applications
06:40

A Robust Method for the Large-Scale Production of Spheroids for High-Content Screening and Analysis Applications

Published on: December 28, 2021

4.0K
Culture and Assay of Large-Scale Mixed-Stage Caenorhabditis elegans Populations
08:51

Culture and Assay of Large-Scale Mixed-Stage Caenorhabditis elegans Populations

Published on: May 5, 2021

5.7K

Related Experiment Videos

Last Updated: Feb 15, 2026

Large-Scale Screens of Metagenomic Libraries
16:05

Large-Scale Screens of Metagenomic Libraries

Published on: May 28, 2007

9.3K
A Robust Method for the Large-Scale Production of Spheroids for High-Content Screening and Analysis Applications
06:40

A Robust Method for the Large-Scale Production of Spheroids for High-Content Screening and Analysis Applications

Published on: December 28, 2021

4.0K
Culture and Assay of Large-Scale Mixed-Stage Caenorhabditis elegans Populations
08:51

Culture and Assay of Large-Scale Mixed-Stage Caenorhabditis elegans Populations

Published on: May 5, 2021

5.7K

Area of Science:

  • Child Development
  • Developmental Pediatrics
  • Screening Tools

Background:

  • Early detection of developmental disabilities is crucial for timely intervention.
  • Standardized screening tools offer reliable and valid methods for identifying developmental delays.
  • The Ages and Stages Questionnaire is a widely recognized instrument for developmental assessment.

Purpose of the Study:

  • To review the utility of the Ages and Stages Questionnaire for developmental screening.
  • To illustrate the global applicability of standardized developmental screening tools.
  • To emphasize the importance of early detection of developmental disabilities.

Main Methods:

  • Review of existing research studies on developmental screening tools.
  • Focus on the Ages and Stages Questionnaire as a case study.
  • Analysis of the reliability and validity of the screening instrument.

Main Results:

  • Research demonstrates that developmental disabilities can be reliably detected in children from 4 months of age.
  • The Ages and Stages Questionnaire shows validity and reliability in identifying developmental concerns.
  • Developmental screening is feasible and effective across diverse global settings.

Conclusions:

  • The Ages and Stages Questionnaire is a valuable tool for global developmental screening.
  • Early identification of developmental disabilities through screening can significantly improve child outcomes.
  • Standardized instruments like the Ages and Stages Questionnaire facilitate effective developmental surveillance worldwide.