Intelligence #2 Flashcards
What is general intelligence - also called “g”
Underlies similarities in our performance across many tasks the require some level of smarts
In 2008, what was the most frequently given IQ test worldwide?
Wechsler Bellevue Intelligence Scale
WAIS IV
What are the four components of a full-scale IQ?
Verbal comprehension scale: Vocabulary, ask about similarities between 2 objects, info about facts
Perceptual reasonings scale: Block design, matrix scales, visual puzzles
Working memory scale: Math, digit span
Perceived speed scale: Digital symbol coding, symbol search
What percentage of individuals in a population are considered gifted and intellectually disabled?
2.3% for both categories
What is the difference between reliability and validity?
Reliability: How consistent and stable results are
Validity: How well the test measures what it was created to measure
How does IQ score change throughout your life?
Your score goes downhill as you age - fluid
Crystalized gets better - knowledge about the world, past experiences
What things in the environment can affect your IQ?
Neurotoxins (lead paint, alcohol), Nutrition (breastfeeding), Education (head start, schooling), rearing environment, birth order and family size, cultural specifity)
What is the Flynn Effect? What causes it?
In industrialized countries, IQ is raising by 3 points per decade
Improved nutrition, smaller families, better education, increased complexity of the modern world, increased test taking skills
What is Gardner’s theory of multiple intelligences?
Theorized that there are eight kinds of intelligences; based partly on evidence from savant syndrome or the presence of unusual talents in people who are profoundly mentally disabled
What is fluid vs. crystallized intelligence?
Fluid: Ability to tackle new and unusual situations
Crystallized: Accumulated knowledge
