W. Joel SchneiderDepartment of Psychology

CATTELL-HORN-CARROLLTHEORY OF COGNITIVE ABILITIES

Cattell-Horn-Carroll Theory of Cognitive

Abilities Knowledge

Speed

Perception

GkGoGhGa

Gv

Motor

GpPsychomotor

Abilities

ControlledAttention

GfGsm

FluidReasoning

Short-TermMemory

GcGq

Grw

Gkn

GpsPsychomotor

Speed

GtSpeed

of Perception

GsAttentional

Fluency

GlrLearning Efficiency & Retrieval Fluency

Fluid Intelligence (Gf)Ability to reason logically &

figure things out without being taught

gGood is to better as fast is to _____?

2 3 6 11 18 __

Which one is notlike the others:

If A + B = C and A – B = D – C,

does D = 2A?

All Bloobahs like apples. Some, but not all Bloobahs are Jippits. Not all Jippits are Bloobahs. Is itpossible that someJippits dislike apples?

Match numbersto letters

Crystallized Intelligence (Gc)Ability to use language to reason & understand how the world

works

LanguageDevelopment

MathGq

SpecializedKnowledge

The ability to visualize solutions in the mind’s eye.

Visual-Spatial Processing (Gv)

What does this looklike when assembled?

Which lines are thesesegments parallel to?

What is this?

Same or different?

What is W going todo when X spins?

Which is inthe figure above?

Hearing sounds even when there is

background noise or distortion

Where is that sound coming from?

Auditory Processing (Ga)What the brain does with sound to make it

usefulDistinguishing melodies

Distinguishing rhythms

Is the sound the sameor different from before?

Distinguishing speech soundsTHICK=/θ/ /ɪ/ /k/

Memory

Long-TermMemory (Glr)

Short-Term Memory (Gsm)

<30 seconds >30 seconds

How much information can be

repeated back immediately?

How well can the focus of attention

be directed to process

information?

How quickly and efficiently

is new information

learned?

How fluently is information

retrieved from storage?

Speed

Decision Speed &Reaction Time (Gt)

ProcessingSpeed (Gs)

How fluently can the focus of attention

be moved from item to item?

Speed of perception

ScanningSpeed

Speed of reaction

Responding to many items in succession

Responding toa single item