Origins & Modern Intelligence Tests Section E Kathy Lew, Eric Lee, Andy An, Taehun Choi

which children need assistance! Origin We need a way to assess which children need assistance!

Alfred Binet Through the questions, Binet and Simon was able to analyze that some children were able to answer harder questions that are usually solved by older children …And the other way around, too.

Binet-Simon Scale Binet and Theodore Simon created an intelligence test. Series of questions required: - Attention - Memory - Problem-solving skills

Binet-Simon Scale However, Still a basis for the intelligence testes used today However, Binet thought there are limitations on this test

too broad to be identified with The problem is: Intelligence is too broad to be identified with a single number! It is influenced by factors such as Changes over time

Stanford-Binet Intelligence Test Binet-Simon scale was introduced to United States Lewis Terman took the original test and standardized in U.S., introducing it to the public in 1916.

Stanford-Binet Intelligence Test The test used intelligence quotient (or IQ) (Mental Age/Chronological Age) X 100 Ex) A child with MA of 15 and a CA of 11 would have an IQ of 136 (15/10 X 100)

Sample IQ test 1 Answer : F

Sample IQ test 2 Answer : A

Sample IQ test 3 Answer : B

Sample IQ Test 4

Sample IQ Test 4 Answer Red, Diamond

Modern Tests of Mental Abilities Aptitude Tests A test designed to predict a person’s future performance Capacity to learn Achievement Test A test designed to assess what a person has learned Ex) AP Psychology

Wechsler Intelligence Scales Developed by David Wechsler Developed 2 ways for children Wechsler Intelligence Scale for Children (WISC) Wechsler Preschool and Primary Scale of Intelligence (WPPSI) And a version for adults Wechsler Adult Intelligence Scale Fourth Edition (WAIS-IV)

WAIS Measures one’s overall intelligence and 11 other aspects related Analyze one’s educational problem. 4 major aspects: Verbal Comprehension Index Perceptual Reasoning Index Working Memory Index Processing Speed Index

Wechsler Intelligence Scales Scored by comparing one’s score to that of others in the same age group VS

Modern WAIS test (2008 Edition) have 15 subtests

Constructive Intelligence Test Should be …. Reliable Valid Standardized

Standardization Uniform testing procedures Meaningful scores by Comparison with performance of a pretested group. Consistency and objectivity of how tests are administered and scored.

Normal Curve = Symmetrical bell-shaped curve that describes the distribution of many physical and psychological attributes

Flynn Effect

Reliability The consistency of a test or a measure Ex) If a subject were to take an intelligence test, then the consequent results should all be the same or at least approximately the same.

Validity Content Validity → How well a test samples the behavior that is of interest. Ex) If Mr.Mussleman were to give a quiz on intelligence test and if the quiz does in fact measures one’s knowledge of intelligence test, then the quiz can be said to have content validity

Validity Predictive Validity → The success with which a test predicts the behavior it is designed to predict. Ex) College Entrance Test (SAT, ACT)

Important Terms Covered

Additional Video If we have time…. https://www.youtube.com/watch?v=UEJAjB8pbcg

Source Myers 617- 623 Pearson AP Psychology 280-284 Psychology: Theme and Variations 355-362 Barron’s AP Psychology 231-232 The Science of Psychology 3 268-271 Cherry, Kendra. "IQ (Intelligence Quotient) Testing: Brief History." About.com. N.p., n.d. Web. 28 Jan. 2015.