Measurement of Intelligence and Neuropsychology. Psychology

Stanford-Binet Intelligence Test

• Yields an IQ score that was once determined by dividing the mental age of the person by the chronological age and multiplying that quotient by 100
• However, it now involves comparing a person's score to a standardized norm.

Wechsler Intelligence Tests

• Yield four index scores derived from both verbal and nonverbal subtests and an overall score of intelligence.

Important Factors in Constructing an Intelligence Test

• Standardization
• Validity
• Reliability

Deviation IQs

• Based on the normal curve, defining different levels of intelligence based on the deviation of scores from a common mean.

Criticism for IQ tests as being culturally biased.

Role of Neuropsychologists

• Care of individuals with traumatic brain injury and other conditions where brain functioning has been negatively impacted.
• Concussion, or mild traumatic brain injury, affects the lives of many athletes and military personnel.