INTELLIGENCE What is it?
Intelligence vs. Achievement Achievement-knowledge or skills acquired through experience Involve specific content Intelligence -the ability to learn from experience To think rationally To deal effectively with others Can be the basis for achievement
Charles Spearman Theory from the beginning of the 20 th century theory g factor of intelligence underlies all intellectual abilities Reason and solve problems s factors contribute to specific abilities
Howard Gardner Theory of multiple intelligence Verbal linguistic Visual-spatial Logical- Mathematical Bodily-kinesthetic Musical-rhythmic Interpersonal Intrapersonal Naturalistic existential
Robert Sternberg Analytical intelligence Academic work Creative intelligence Artistic & imaginative Practical intelligence Street smarts
Emotional Intelligence Daniel Goleman Self-awareness Mood management Self-motivation Impulse control People skills
Intelligence Quotient (IQ) Alfred Binet, 1905 –French psychologist Mental Age (MA) vs. Chronolgical Age (CA) Today’s Stanford-Binet Intelligence Scale (SBIS) test provides an IQ, not an MA IQ score is a transformed score – a score that has been converted from a raw score in a systematic way
Wechlser Adult Intelligence scale WAIS-R Most commonly used test today Divided into verbal and performance subtests Reveals strengths, weaknesses & overall intellectual functioning
Stanford-Binet vs. Wechsler Measures verbal ability Good predictor of school achievement Do not use the concept of MA Use the term IQ Measure verbal & non- verbal ability Used to identify disabilities Compared with others of the same age SBISWAIS-R
Validity & Reliability Intelligence test must be reliable & valid to be accepted by psychologists Reliability –consistency of test Gives highly similar scores each time it is taken Same score for a person each time they take a test Validity Measures what is supposed to measure Intelligence tests should predict school performance
Problems with Intelligence Testing Education & economic background can make a pt. difference Motivation contributes to success Cultural bias Interpret questions differently than expected by designers of the test
IQ Bell Curve
What influences intelligence? Environment & genetics How to test which is more influential Heritability The extent to which variations in a trait from person to person can be explained by genetic factors Adoptee Studies Most children have IQs similar to adoptive parents, not birth Kinship studies Identical twins, even those reared apart have similar scores
High IQ >120 related to: Parents are emotionally & verbally responsive Children are given enjoyable, but educational toys Parents are involved in children’s activities Varied daily experiences during preschool years Home environment is organized and safe Children are encouraged to do problem solving
Adult IQ maintenance Level of income Stimulating work experience Marriage to spouse with a high IQ Flexible personality Good general health in adult years