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Are there new or updated clusters in Woodcock-Johnson V?

Yes. Woodcock-Johnson V (WJ V) includes both clusters that are entirely new and clusters carried over from Woodcock-Johnson IV (WJ IV) but renamed, recomposed, or otherwise updated — including the widely-used General Intellectual Ability (GIA) cluster.

Entirely New Clusters (did not exist in any form in WJ IV)

Tests of Cognitive Abilities (COG)

  • Long-Term Storage (Gl) — split from WJ IV's combined Long-Term Retrieval (Glr) cluster
  • Retrieval Fluency (Gr) — the second cluster created from that same Glr split
  • Phonemic Retrieval Fluency (Gr) — a new clinical cluster combining Phonemic Word Retrieval (WJ V COG) with Rapid Phoneme Naming (WJ V VTL) 

Tests of Achievement (ACH)

  • Number Concepts (Gq)
  • Spelling Skills (Grw, Ga)

Virtual Test Library (VTL)

  • Phonological Awareness (Ga)
  • Phonological Manipulation (Ga)
  • RAN – Reading (Gs, Gr)
  • RAN – Math (Gs, Gr)

Renamed or Recomposed Clusters (carried over from WJ IV, but with a new name and/or different tests)

  • Auditory Working Memory Capacity (Gwm) — renamed from WJ IV's Short-Term Working Memory cluster
  • Fluid Reasoning (Gf) — same cluster name, entirely new test pairing (Matrices and Verbal Analogies replace Number Series and Concept Formation)
  • Reading Fluency (Grw) — same cluster, one test swapped (Word Reading Fluency replaces Oral Reading)
  • Reading Comprehension (Grw) — same cluster, one test swapped (Paragraph Reading Comprehension replaces Reading Recall)
  • Math Problem Solving (Gq) — same cluster, one test swapped (Math Problem Identification replaces Number Matrices)
  • Basic Writing Skills (Grw) — same cluster, one test swapped (Sentence Writing Accuracy replaces Editing)
  • Academic Knowledge (Gc) — same cluster name, entirely new tests (Academic Facts and Academic Vocabulary replace Science, Social Studies, and Humanities)
  • Visual Processing (Gv) — same cluster, tests expanded into full-length versions (Spatial Relations and Block Rotation), with Picture Recognition dropped
  • Cognitive Efficiency (CE) — same cluster, tests changed (Verbal Attention and Number-Pattern Matching replace Letter-Pattern Matching and Numbers Reversed)
  •  Cognitive Processing Speed (Gs) — same cluster; retains Letter-Pattern Matching and adds Number-Pattern Matching, which replaces the WJ IV's Pair Cancellation test. 
  • General Intellectual Ability (GIA) — same cluster, now built from 8 tests instead of 7 and no longer differentially weighted by age. It no longer includes a test of Auditory Processing, and the measure of quantitative reasoning/knowledge (Number Series) has been replaced with a Matrices test.

Glossary:

Gc — Comprehension-Knowledge
Gf — Fluid Reasoning
Gv — Visual Processing
Ga — Auditory Processing
Gs —  Cognitive Processing Speed 
Gwm —  Working Memory Capacity 
Grw —  Reading and Writing 
Gq — Quantitative Knowledge
Gl —  Long-Term Storage 
Gr — Retrieval Fluency