Online resource; title from PDF title page (EBSCO, viewed February 22, 2016).

Includes bibliographical references and index.

Front Cover -- WJ IV Clinical Use and Interpretation -- Copyright Page -- Contents -- List of Contributors -- Preface -- 1 Overview of the Woodcock-Johnson IV: Organization, Content, and Psychometric Properties -- Theoretical Underpinnings of the WJ IV -- Organization of the WJ IV COG, WJ IV ACH, and WJ IV OL -- WJ IV COG -- WJ IV ACH -- WJ IV OL -- Content of the WJ IV COG, WJ IV ACH, and WJ IV OL -- Brief Description of Broad and Narrow CHC Abilities and Composition of WJ IV COG Factors and Clusters -- Brief Description of Additional Broad CHC Abilities and Composition of WJ IV ACH Clusters.

Reading Clusters -- Mathematics Clusters -- Written Language Clusters -- Cross-Domain Clusters -- Brief Description and Composition of WJ IV OL Clusters -- Standardization Characteristics and Psychometric Properties of the WJ IV -- Standardization Characteristics -- Reliability -- Floors and Ceilings -- Validity -- Summary -- References -- 2 Clinical Interpretation of the Woodcock-Johnson IV Tests of Cognitive Abilities, Academic Achievement, and Oral Language -- Tests of Cognitive Abilities, Achievement, and Oral Language -- Evaluating with a Purpose -- Referral Questions -- Specific Purposes.

History -- Choice of Instruments and Procedures -- Levels of Interpretation -- Age-Based Norms versus Grade-Based Norms -- Raw Scores -- W Scores and W Diff -- Age- and Grade-Equivalent Scores -- Relative Proficiency Index -- Standard Scores -- Confidence Bands -- Percentile Ranks -- Normal Curve Equivalents -- Stanines -- z-Scores -- Standard T-Scores -- Conditional Probability or the Whole Does Not Equal the Sum of Its Parts -- Categorical Descriptors -- SS Descriptors -- Cognitive Academic Language Proficiency -- Proficiency Level -- Developmental Levels -- Groups of Tests.

General Intellectual Ability -- Brief Intellectual Ability -- Gf-Gc Composite -- Comprehension Knowledge (Gc) -- Fluid Reasoning (Gf) -- Short-Term Working Memory (Gwm) -- Auditory Memory Span (Gwm-MS) -- Cognitive Processing Speed (Gs) -- Perceptual Speed (Gs-P) -- Auditory Processing (Ga) -- Long-Term Retrieval (Glr) -- Visual Processing (Gv) -- Number Facility -- Cognitive Efficiency -- Oral Language Clusters -- Reading Clusters -- Math Clusters -- Written Language Clusters -- Cross-Domain Clusters -- Scholastic Aptitude Clusters -- Examples of Test Selection for Specific Issues.

Autism Spectrum Disorders -- Attention-Deficit/Hyperactivity Disorder -- Conclusion -- References -- 3 A Special Validity Study of the Woodcock-Johnson IV: Acting on Evidence for Specific Abilities -- Validity Evidence with the WJ IV -- Validity and Cognitive-Achievement Relations -- Previous Research on Cognitive-Achievement Relations -- Current Study -- Method -- Participants and Instrument -- Analysis Plan -- Model Evaluation -- Results -- Cognitive Abilities Model -- Academic Skills -- Factorial Invariance -- Reading -- Writing -- Math.