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Data Validation

Data Validation

Data validation is an essential part of a comprehensive assessment. Validation is confirming or verifying and opening the door to gathering more assessment data as it clarifies vague or unclear data. The process of checking and verifying the collected information is called data validation. The primary purpose of data validation is to ensure data is as free from error, bias, and misinterpretation as possible.
Nursing assessment guides are generally based on holistic models rather than medical...

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Related Experiment Video

Updated: Mar 14, 2026

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

Published on: August 30, 2016

Layout for Assessing Dynamic Posture: Development, Validation, and Reproducibility.

Matias Noll¹, Cláudia Tarragô Candotti, Bruna Nichele da Rosa

¹Instituto Federal Goiano (Dr Noll), Ceres, Goias, Brazil; Human Movement Sciences at School of Physical Education of the Universidade Federal do Rio Grande do Sul (Drs Candotti, Vieira, and Loss and Ms Sedrez), Porto Alegre, Brazil; and School of Physical Education of the Universidade Federal do Rio Grande do Sul (Ms da Rosa), Porto Alegre, Brazil.

Pediatric Physical Therapy : the Official Publication of the Section on Pediatrics of the American Physical Therapy Association

|September 24, 2016

Summary

The Layout for Assessing Dynamic Posture (LADy) is a valid and reproducible tool for evaluating dynamic postures in children. This cost-effective instrument is suitable for school-based assessments.

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Last Updated: Mar 14, 2026

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Published on: August 30, 2016

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Published on: December 11, 2013

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Area of Science:

Pediatric physical therapy
Biomechanical assessment
Motor control research

Background:

Dynamic posture assessment is crucial for understanding children's motor development and identifying potential issues.
Existing methods for evaluating dynamic posture may lack comprehensive psychometric validation or practical application in school settings.

Purpose of the Study:

To establish the psychometric properties, specifically validity and reproducibility, of the Layout for Assessing Dynamic Posture (LADy) instrument.
To develop a reliable tool for quantifying dynamic postural control in children.

Main Methods:

The study involved two phases: instrument development and psychometric evaluation.
The LADy was designed to assess nine distinct dynamic postures.
Validity and reproducibility were determined through rigorous testing of the instrument's criteria.

Main Results:

The LADy demonstrated confirmed validity and reproducibility across its assessment criteria.
Out of 51 criteria, only one was rejected, indicating high reliability.
Reproducibility for the evaluated criteria ranged from moderate to excellent.

Conclusions:

The LADy is a valid and reproducible instrument for assessing dynamic postures in children aged 11 to 17 years.
Its low cost and applicability in school environments make it a practical tool for pediatric populations.