Cognitive Assessment

Extended Gf-Gc Theory, Visualized

Horn updated Gf-Gc Theory many times. I made a visual representation of the last iteration (Horn & Blankson, 2005) . The three major groupings are conceptual categories, not abilities themselves.

.pdf (can be zoomed without losing image quality)

Prezi Version

Low-ish quality image:

Extended Gf-Gc Theory

Horn, J. L. & Blankson, N. (2005) Foundations for better understanding of cognitive abilities. In D. Flanagan & P. Harrison (Eds.) Contemporary Intellectual Assessment: Theories, tests, and issues (2nd ed., pp. 41–68). New York, NY: Guilford Press.


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