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Development and validation of PediaTrac™: A web-based tool to track developing infants
Renée Lajiness-O'Neill1, Judith Brooks2, Angela Lukomski3
1Eastern Michigan University, Department of Psychology, Ypsilanti, MI, USA; University of Michigan, Center for Human Growth and Development, Ann Arbor, MI, USA.
Infant Behavior & Development
|February 11, 2018
Summary
PediaTrac, a tool for tracking infant development, demonstrated good reliability and validity across multiple domains. This web-based assessment shows potential for novel infant development estimation.
Area of Science:
- Pediatric Development
- Psychometrics
- Infant Health Monitoring
Background:
- Infant development tracking is crucial for early identification of potential issues.
- Existing tools may lack comprehensive domain coverage or robust validation.
- PediaTrac™ is a web-based tool designed to track infant development across key domains.
Purpose of the Study:
- To validate the PediaTrac™ tool for tracking infant development.
- To assess the psychometric properties of PediaTrac™ using Classical Test Theory (CTT) and Item Response Theory (IRT).
- To evaluate the reliability and validity of PediaTrac™ across multiple developmental domains and age points.
Main Methods:
- PediaTrac™, a 363-item web-based tool, was validated using Expert Panel Reviews and Cognitive Interviews (CI).
- Psychometric properties were examined using CTT and IRT on pooled longitudinal and cross-sectional data (N=132).
- Data included caregiver-reported information on demographics, medical history, environment, and developmental domains.
Main Results:
- Expert Panel Reviews showed good reliability at most sampling periods, with moderate agreement at 6 months.
- Cognitive Interviews indicated moderate to excellent reliability regarding item clarity across age points.
- CTT revealed good internal consistency for Social-Emotional/Communication, Attachment, and Sensorimotor domains.
- IRT modeling demonstrated good reliability for Feeding/Eating, Social-Emotional/Communication, and Attachment domains, with demonstrated convergent and discriminant validity.
Conclusions:
- PediaTrac™ demonstrates good reliability and validity, supporting its use in tracking infant development.
- The tool shows potential for generating novel and effective estimates of infant development.
- Specific domains like Sensorimotor require further item targeting for improved measurement.
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