Guides

Chronological Age Calculator for Testing & Assessments

Step-by-step how-to guides for using Chronological Age Calculator for Testing & Assessments and related techniques. Written for practical use — follow each guide to get accurate results for your specific situation.

Chronological Age Calculator for School Psychologists & SLPs

How school psychologists and speech-language pathologists use exact chronological age in eligibility reports, IEPs, and standardized test documentation.

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