1. 1. Introduction
2. 2. Evolution of CHC Theory
2.1 A. Early psychometric heritage
2.2 B. 1st Generation Gf-Gc Assessment
Cattell-Horn Gf-Gc theory "discovered"
Cattell-Horn Gf-Gc theory overview
The Horn-Carroll-Woodcock "fortuitous" tripartite
Publication of the Horn-Cattell Gf-Gc based WJ-R Battery
Gf-Gc battery "free" assessment concept born
Carroll's 1993 Principia Cognitive Abilities
2.3 C. CHC (Gf-Gc) Investigations, Integrations, and Extensions
The CIA book
CHC: The rest of the story
3. 3. Empirical Evaluations of the "complete" CHC Theory
3.1 A. Large sample studies
Studies with CHC designed batteries
Studies with other batteries
3.2 B. Small sample studies
3.3 C. Summary and conclusions
4. 4. CHC Theory Extensions
4.1 A. Internal CHC structural extensions
Gv
Ga
Gsm
Should working memory be considered a CHC trait/factor?
Gc/Gkn
Speed abilities (Gs, Gt, Gps)
Gs
Gt
4.2 B. External CHC structural extensions
Tactile (Gh) and kinesthetic (Gk) abilities
Olfactory abilities (Go)
5. 5. Betwixt, behind and beyond g
5.1 A. g: Betwixt Horn and Carroll
Horn on g:
Carroll on g:
5.2 B. Behind g: Working Memory?
WJ III CHC MW-to-g Studies
Behind g: Summary
5.3 C. Beyond g: CHC Lower-Stratum Abilities are Important
CHC g+Specific-to- Achievement SEM Studies
Beyond g: Summary
6. 6. Summary & conclusions
6.1 A. Conclusions and Caveats
6.2 B. Implications and Future Directions
6.3 C. References
7. Related projects & key tables and figures used
7.1 Carroll Human Cognitive Abilities Project (CA)
7.2 Cattell-Horn (CHC) Definition Project
7.3 Tables
Table 1. Significant structural CHC theoretical, measurement and assessment developments: A continuum of progress
Table 2: Comparison of Cattell-Horn and Carroll Theories of Human Cognitive Abilities
Table 3. Broad (stratum II) and Narrow (stratum I) Cattell-Horn-Carroll (CHC) Ability Definitions
Table 4. Select model parameters and fit statistics for WJ III CHC MWg models (see Figure 4)
7.4 Figures
Figure 1: Major stages in the evolution of psychometric theories from Spearman’s g to Cattell-Horn-Carroll (CHC) theory
Figure 2: Hypothesized speed hierarchy based on integration of Carroll (1993) speed abilities with recent research
Figure 3: Working memory-to- complex cognitive abilities (viz., g and Gf) causal models reported from 1993-2003
Figure 4: WJ III CHC information processing MW-to-g causal model (ages 14-19)
About
Title
Cattell-Horn-Carroll CHC (Gf-Gc) Theory: Past, Present & Future
Subject
Intelligence Web of Knowledge
Company
Institute for Applied Psychometrics
Author
Kevin McGrew
Version
74
Comments
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