Fahad Zafar(09-Arid-609)Mudassar Ellahi(09-Arid-632)

Waqar Muhammad Khan(09-Arid-678)

CHC Model

What is CHC ?

1Raymond Cattell

2John Horn

3John Carroll

Cattell–Horn–Carroll Model History

CHC is theory of cognitive abilities is an unification of two similar theories about human cognitive abilities. The first of these two theories is Gf-Gc theory (Raymond Cattell, 1941; Horn 1965), and the second is John Carroll's (1993) Three-Stratum theory.

CHC Model

• CHC theory involved the use of the mathematical technique known as factor analysis

• In comparison to other well-known theories of intelligence and cognitive abilities, CHC theory is the scientifically proven and well structured theory

Raymond Cattell Cattell proposed that there were two overall

abilities people have: Crystallized intelligence and fluid intelligence

Crystallized intelligence reflected abilities that were relatively static (such as learned information)

Fluid intelligence was more related to “On the spot” problem solving

1

-- acquired knowledge and experience-- age

Crystallized intelligence

Fluid intelligence

-- problem-solving, learning and pattern recognition

2John Horn

Added Seven to Sixteen broad abilities

Broad

• Gc – crystallized intelligence

• Gf – fluid intelligence

• Gs – processing speed

• Gt – reacting or decision making speed

• Gsm – short-term or immediate memory

• Glr – long-term memory storage and retrieval

• Grw – reading and writing ability

• Gq – quantitative reasoning

• Gv – visual processing

• Ga – auditory processing

3John Carroll

General ( Stratum III ) : general intelligence factor “g”

Broad ( Stratum II ) : fluid and crystalized intelligence

Narrow ( Stratum I ) : 73 narrow abilities, each related to a specific Stratum II domain.

• Fluid Reasoning:– To solve novel “on the spot” problems – Not relying on previously learned habits

• Memory:– Short Term Memory– Long Term Memory and Retrieval

• General Speed:– Reaction-Decision Speed – Psychomotor Speed

- Fluid Reasoning

- Memory

- General Speed

Domain-Independent General Capacities

• Crystallized:– Includes the breadth and depth of a person's

acquired knowledge

• Comprehension:– Depth and breadth of knowledge and skills that

are valued by one’s culture.

• Domain Specific:– typically acquired via one’s career, hobby – other passionate interest (e.g., religion, sports)

• Reading & Writing:– related to written language

• Quantitative:– related to mathematics

- Crystallized

- Comprehension

- Domain-Specific

- Reading & Writing

- Quantitative

Acquired-Knowledge System

- Sensory

- Visual Processing

- Auditory Processing

- Olfactory Abilities

- Tactile Abilities

- Motor

- Kinesthetic Abilities

- Psychomotor Abilities

- Sensory

- Motor

Sensory-Motor Linked Abilities

- Visual Processing:

- ability to make use of visual senses

- Auditory Processing:

- ability to detect and process nonverbal

data in sound

- Olfactory Abilities:

- ability to detect and process meaningful

information in odors

- Tactile Abilities:

- ability to detect and process meaningful

information in haptic (touch)

SensorySensory

- Visual Processing

- Auditory Processing

- Olfactory Abilities

- Tactile Abilities

- Kinesthetic Abilities:

- ability to detect limb

position and movement

via sensory organs

- Psychomotor Abilities:

- ability to perform physical

body motor movements

SensoryMotor

- Kinesthetic Abilities

- Psychomotor Abilities

CHC Tests

• CHC Model tests (aptitude tests, general intelligence assessments) are one of the most powerful predictors of cognitive abilities

• These tests measure verbal, numerical and abstract reasoning and the resulting score reflects the person's ability to acquire, retain, organise and apply information

CHC Tests

People who score well on cognitive ability tests are more likely to:

• Develop a greater knowledge of the task, more quickly

• Make effective decisions• Successfully reason , solve problems • Respond appropriately to new or complex situations

Sample Questions

Sample Questions

Sample Questions

Questions

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