History of Intelligence Tests - Wechsler

Question 1

Wechsler

Answer 1

• Immigrated to US from Romania
• Considered “feeble-minded” according to Terman
• Psychologist at Bellevue and in the US army, found S-B to be unsatisfactory
• Developed the Wechsler Adult Intelligence Scale (WAIS) also: WISC and WPPSI
• Introduced non-verbal reasoning items (separate scores for verbal IQ, performance (non-verbal) IQ and full-scale IQ
• Has since been updated to multiple scales
  Introduced scoring scheme based on normal distribution

Question 2

Principal types of psychological tests

Answer 2

· Mental Ability tests
· Intelligence – general
· Aptitude – specific
· Achievement tests
Personality scales
Measure motives, interests, values, and attitude