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“The WJ IV is [a] comprehensive [assessment suite] that allows practitioners to complete thorough evaluations using the same family of instruments. When I administer a battery that is less comprehensive, I complement my evaluations and test my hypotheses with the WJ IV.”
— Erick Lopez, Bilingual Educational Diagnostician/Certified Specialist in Psychometry for Galena Park ISD

The Woodcock-Johnson IV (WJ IV) system is structured to create
comprehensive cognitive, achievement, and oral language
batteries that can be used in conjunction with one another or as
standalone batteries. New tests and clusters in WJ IV are
engineered to provide the most diagnostically useful
interpretations. The authors had multiple goals for the WJ IV, including:

 

• Designing a comprehensive assessment system that was on
the cutting edge of clinical practice. The entire assessment
suite facilitates the exploring of strengths and weaknesses
across cognitive, oral language, and academic abilities; it
also complements RTI models.


• Simplifying and reframing the procedures for evaluating the
ability/achievement comparisons and intra ability variations
for the examiner.

 

•​ Pushing the tests beyond the original broad CHC theory that
was the foundation for the WJ III to the most important broad
and narrow CHC abilities that are needed for testing
individuals today.

Restriction Levels

Achievement – Medium

Oral Language – Medium

Cognitive – High 

Testing Ages

All WJ IV batteries may be used with examinees age 2 - 90+.

Time to Test

A typical administration requires 5 - 10 minutes per subtest.

Authors

Fredrick A. Schrank 

Kevin S. McGrew 

Nancy Mather

Battery-Specific Information

 

01

WJ_IV_Logo_Web_Achvmt_4c.jpg

Tests of Achievement

The WJ IV Tests of Achievement are ideal for accurately screening, diagnosing, and monitoring progress in reading, writing, and mathematics achievement areas.

02

Tests of cognitive abilities

Supporting a new era of CHC theory, the

WJ IV Tests of Cognitive Abilities contain the greatest breadth of cognitive abilities of any
standardized body of tests.

03

tests of oral language

The WJ IV Tests of Oral Language can be used to determine and describe an individual’s strengths and weaknesses with regard
to expressive language.

Scoring and Reporting

 

WJ IV assessment results are calculated in real time through a streamlined, web-based scoring and reporting platform that's accessible for free* from any computer with an Internet connection. To learn more about the scoring interface, please see the Additional Resources section below.

 

The Score Report provides age equivalent (AE) scores (including difficulty levels or ranges), relative proficiency index (RPI), and standard score or percentile rank for a single examinee.

The Parent Report describes the clusters or tests administered and provides a profile of the examinee’s norm-based or criterion-referenced based proficiency when compared with others of the same age nationally. This report is available in English and Spanish.

The Profile Report provides a graphical description of the examinee’s performance using the standard score confidence band and percentile rank (PR).

For additional sample reports, please see the battery-specific pages.

 

*Free access provided following the purchase of paper record forms.

Sample Score Report

Sample English 

Parent Report

Sample Spanish 

Parent Report

WJ IV Score Interpretation Chart

The Woodcock Interpretation and Instructional Intervention System

Available via Separate Subscription

 

When paired with the WJ IV Interpretation and Instructional Interventions Program™ (WIIIP®), reports provide easy-to-implement intervention suggestions that target specific cognitive and academic delays.

 

WIIIP streamlines the report interpretation process by providing personalized interventions and accommodations based on an individual’s WJ IV and ECAD results. Plus, WIIIP offers a number of unique checklists that can help provide critical anecdotal testing information, including:​​

• Reason for Referral Checklist

 

• Parent’s Checklist: School Age​

 

• Teacher’s Checklist: School Age

 

• Parent’s Checklist: Preschool Age

• Teacher’s Checklist: Preschool Age

 

• Classroom Behavior Observation Form

​​• Self-Report Checklist: Adolescent/Adult

• Writing Evaluation Scale

Check out a sample report!

Sample 

Comprehensive Report

 

To learn more about WIIIP, including the new WJ IV Dyslexia Report, click here!

Webinar Recordings

 

Additional Resources

Check out special documents, access Assessment Service Bulletins and more!

 

Assessment Service Bulletin #1

WJ IV Tests of Achievement Alternate-Forms Equivalence

This bulletin is an executive summary and discussion of all extant alternate-forms equivalence data gathered for the WJ IV Tests of Achievement.

Assessment Service Bulletin #2

WJ IV Technical Abstract

This bulletin provides a summary of the procedures followed in developing and validating the Woodcock-Johnson IV as a comprehensive measure of individuals' cognitive abilities, oral language abilities, and academic achievement.

Assessment Service Bulletin #3

The WJ IV Gf-Gc Composite and Its Use in the Identification

of Specific Learning Disabilities

 

In this bulletin, the authors of the Woodcock-Johnson IV discuss the WJ IV Tests of Cognitive Abilities Gf-Gc Composite, contrast its composition with that of the WJ IV COG General Intellectual Ability (GIA) score, and synthesize important information that supports its use as a reliable and valid measure of intellectual development or intellectual level.

Assessment Service Bulletin #6

Use of the Woodcock-Johnson IV for the Assessment of Dyslexia

 

The purposes of this Assessment Service Bulletin are to (a) describe the useful features of the Woodcock-Johnson IV that may be included in an evaluation for dyslexia, (b) present the   WJ IV Dyslexia Profile of Scores, and (c) describe the WJ IV Dyslexia Summary Report.

 Assessment Service Bulletin #1

 Assessment Service Bulletin #2

 Assessment Service Bulletin #3

 Assessment Service Bulletin #6

Assessment Service Bulletin #7

Why Are WJ IV Cluster Scores More Extreme Than the Average of Their Parts?

Composite scores are more extreme than the average of the test scores used to compute them. This Assessment Service Bulletin offers several analogies and technical explanations to help readers understand this phenomenon.

 Assessment Service Bulletin #7

Assessment Service Bulletin #8

The WJ IV Core-Selective Evaluation Process Applied to Identification of a Specific Learning Disability

This Assessment Service Bulletin describes how to use the WJ IV in a core-selective evaluation process (C-SEP) for identification of a specific learning disability (SLD).

Assessment Service Bulletin #9

Assessment of Executive Functions Using the

Woodcock-Johnson IV Tests of Cognitive Abilities

This Assessment Service Bulletin provides general guidance for understanding the relationship between executive functions and cognitive constructs measured in the Woodcock-Johnson IV Tests of Cognitive Abilities.

Assessment Service Bulletin #10

WJ IV Scholastic Aptitude / Achievement Comparisons by Age

 

The purpose of this Assessment Service Bulletin is to present

WJ IV scholastic aptitude (SAPT) data for different age groups based on the WJ IV standardization sample.

Assessment Service Bulletin #11

Using the Core-Selective Evaluation Process (C-SEP) With the Woodcock-Johnson IV: From Theory to Practice

The purposes of this Assessment Service Bulletin are to (a) present a brief overview of the C-SEP framework and illustrate how the WJ IV fits within that framework; (b) provide guidance around the flexibility of the C-SEP model; and (c) present case studies that illustrate the application of this approach with the Woodcock-Johnson IV Tests of Cognitive Abilities, Tests of Oral Language, and Tests of Achievement.

 Assessment Service Bulletin #8

 Assessment Service Bulletin #9

 Assessment Service Bulletin #10

 Assessment Service Bulletin #11

WJ Perspectives Article #1

#1: WJ Perspectives - Use of the

Woodcock-Johnson IV for Dyslexia Evaluations

Nancy Mather, Ph.D. 

Tammy L. Stephens-Pisecco, Ph.D. 

Carla M. Proctor, Ph.D.

WJ Perspectives Article #2

#2: WJ Perspectives - Use of the WJ IV in School Neuropsychological Assessments

Daniel C. Miller, Ph.D., ABPP, ABSNP, NCSP

WJ Perspectives Article #3

#3: WJ Perspectives - A New Era of Cognitive Abilities Assessment with the

Woodcock-Johnson IV

Fredrick A. Schrank, Ph.D., ABPP

WJ Perspectives Article #4

#4: WJ Perspectives - Evolution and Revolution in CHC Theory and the WJ IV

Kevin S. McGrew, Ph.D.

WJ Perspectives Article #5

WJ Perspectives Article #6

WJ Perspectives Article #7

WJ Perspectives Article #8

#5: WJ Perspectives - Relevance in Cognitive Assessment, the WJ IV COG, and the WIIIP

Barbara J. Wendling

#6: WJ Perspectives - The WJ IV COG Core Tests and the C-SEP Model

Fredrick A. Schrank, Ph.D., ABPP

#7: WJ Perspectives - Getting to Know The Woodcock-Johnson IV Tests of Achievement

and Oral Language: An Introduction for

Special Education Teachers

Beth Varner, M.Ed., NCSP, National Clinical Account Executive

#8: WJ Perspectives - How to Use The

Woodcock-Johnson IV Tests of Achievement

and Oral Language: Best Practices for

Special Education Teachers

Beth Varner, M.Ed., NCSP, National Clinical Account Executive

Additional WJ IV Products and Pricing Information 

WJ IV ECAD

Comprehensive assessment for learners age 2:6 - 7:11.

WIIIP

Personalized interventions and accommodations.

Meet Our Authors

Read bios and watch interviews.

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WJ IV Training

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