Mod 38

• Intelligence Test: a method for assessing an individuals mental aptitudes and comparing them with those of others using numerical scores
• Achievement test: a test designed to assess what a person has learned
• Aptitude test: a test designed to predict a person's future performance; aptitude is the capacity to learn
• Mental Age: a measure of intelligence test performance devised by Alfred Binet. The level of performance is typically associated with children of a certain biological age. A child who does as well as the average 8 yr old has a mental age of 8
• Standford-Binet: the widely used American revision of Binet's orignal test
• Intelligence quotient (IQ) is a measure of how well you do on a standardized test of intelligence.
• IQ is mental age/chronological age x 100
• Wechsler Adult Intelligence Scale: most widely used intelligence tests. They contain verbal and performance subtests.
• Standardization: defining uniform testing procedures and meaningful scores by comparison with the performance of a pretested group.
• Normal Curve: the bell-shaped curve that describes the distribution of many physical and psychological attributes.
• Reliability: the extent to which a test yields consistent results
• Validity: the extent to which a test measures or predicts what it is supposed to do
• Content Validity: the extent to which a test samples the behavior that is of interest
• Predictive Validity: the success with which a test predicts the behavior it is designed to predict; it is assessed by computing the correlation between test scores and the criterion behavior