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Birth through 7 years

Inventory of Early Development III Standardized

Completely updated, the norm-referenced Inventory of Early Development III (IED III) Standardized includes new content and up-to-date research.

Major content updates include:

  • New early literacy assessments, including phonological awareness
  • New mathematics assessments, including sorting and word problems
  • Expanded social and emotional development section

New standardization and validation studies reflect:

  • Up-to-date normative data based on a nationally representative sample
  • Strong test-retest and inter-rater reliability
  • Significant content, construct, and criterion-related validity

View the previous edition of the Inventory of Early Development.

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Please contact your local Educational Consultant or call Customer Service at 800-225-0248 for detailed product and purchasing information.

Prices and product availability are subject to change without notice.

QtyBRIGANCE IED III Standardized

  IED III Standardized Inventory WS14288 978-0-7609-8163-4     $189.00
  IED III Standardization and Validation Manual WS14292 978-0-7609-8168-9     $59.00
  IED III Standardized Record Book Single WS14289.1 978-0-7609-8165-8     10+  $3.90    1-9  $5.00


  IED III Accessories Kit WS9567 978-0-7609-2804-2     $69.00

The IED III Standardized provides a variety of normative scores (standard scores, percentiles, and age equivalents), which can be used for benchmarking, standardized reporting, and supporting identification of special needs. The IED III Standardized contains 55 norm-referenced assessments, which allow educators to compare a child's performance to that of a nationally representative sample of children the same age.

The IED III Standardized includes scores in five domains, demonstrating broad content coverage and strong alignment to the Head Start Child Development and Early Learning Framework:

  • Physical Development: Gross and Fine Motor Skills
  • Language Development: Receptive and Expressive Language Skills
  • Academic Skills/Cognitive Development: Literacy and Mathematics Skills
  • Adaptive Behavior: Daily Living Skills
  • Social and Emotional Development: Interpersonal and Self-regulatory Skills

Learn more about the criterion-referenced BRIGANCE IED III, which is used to provide ongoing school readiness assessment and plan individualized instruction.

Order Record Books for previous editions of the Inventory of Early Development.

The IED III Standardized Kit includes:

  • IED III Standardized Inventory
  • 20 Standardized Record Books
  • IED III Standardization and Validation Manual
  • IED III Accessories
  • Durable Canvas Tote
See the research behind the IED III Standardized.

Free on-demand training videos are available in the BRIGANCE Courses section of the Professional Development tab.


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