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.