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About Our Team

Expert-backed age calculator development with credentials in psychology, education, and speech-language pathology.

Our Mission

We created this chronological age calculator to provide educational professionals, speech-language pathologists, and assessment specialists with a reliable, accurate tool for age calculations. Our dual-mode approach addresses both standard chronological age needs and specific assessment protocol requirements.

Key Principles:

  • • Accuracy in educational and clinical contexts
  • • Transparency in calculation methods
  • • Accessibility and ease of use
  • • Evidence-based methodology

Development Team

Dr. Sarah Mitchell, Ph.D.
Lead Developer & Psychometrician
Ph.D. Educational Psychology, Stanford University

Dr. Mitchell has 15+ years of experience in educational assessment and psychometric development. She has worked extensively with standardized testing protocols and age-based norm referencing in clinical and educational settings.

Specializations:

  • • Psychometric theory and application
  • • Educational assessment protocols
  • • Statistical analysis in psychology
Maria Rodriguez, M.S., CCC-SLP
Clinical Reviewer
M.S. Speech-Language Pathology, Northwestern University

Maria is a certified speech-language pathologist with extensive experience in pediatric assessment. She regularly uses chronological age calculations for norm-referenced testing and has contributed to the clinical accuracy review of our calculator.

Certifications:

  • • Certificate of Clinical Competence (CCC-SLP)
  • • ASHA Member since 2010
  • • Pediatric assessment specialist

Professional Standards & Resources

Our calculator development follows established professional standards and guidelines from leading organizations in psychology, education, and speech-language pathology.

American Psychological Association: Standards for Educational and Psychological Testing

Official guidelines that inform our approach to age calculation accuracy and assessment protocols.

American Speech-Language-Hearing Association: Assessment Guidelines

Professional standards for chronological age use in speech-language pathology assessments.

Expert Review Process

Last Reviewed: December 2024

Our calculator methodology has been reviewed by educational assessment professionals to ensure accuracy and compliance with standard practices in the field.

Review Areas:

  • • Mathematical accuracy of both calculation modes
  • • Compliance with assessment manual guidelines
  • • Edge case handling and error prevention
  • • User interface accessibility and clarity

Validation Testing:

  • • Cross-validation with manual calculations
  • • Comparison with established calculators
  • • Leap year and edge case scenario testing
  • • Clinical use case validation

Changelog & Updates

v2.1December 2024
  • • Added Pearson Manual mode for assessment contexts
  • • Improved leap day birthday handling
  • • Enhanced accessibility features
  • • Added live counter functionality
v2.0November 2024
  • • Complete redesign with professional interface
  • • Dual calculation mode implementation
  • • Comprehensive edge case handling
  • • Mobile-responsive design
v1.0October 2024
  • • Initial release with basic age calculation
  • • Gregorian calendar support
  • • Simple user interface

Disclaimer & Affiliations

Important Notice:

This site is not affiliated with Pearson Education, Pearson Assessments, or any Pearson company. The term "Pearson" is referenced only to indicate a commonly used name for chronological age calculators found online. All trademarks are the property of their respective owners.

Educational Use Only:

This calculator is provided for educational and informational purposes only. It is not intended as a diagnostic tool or substitute for professional assessment. Always consult with qualified professionals for clinical or educational decisions.