1. Intelligence Definition: Ability to learn and remember information, and to apply it in adaptive ways. Differential (psychometric), developmental, information-processing Spearman: Factor-analysis Piaget: Ability to adapt to the environment Sternberg: Triarchic - analytic, creative (automization), practical (adaptation, selection, shaping); Aristotle: theoretical, productive, practical Gardner: linguistic, musical, logical, spatial, kinesthetic, inter- and intra-personal IQ: Binet, Wechsler IQ = MA/ CA x 100 normal curve: mean=100, SD=16

2. Piaget: qualitative stages of adapting to environment Sensory-motor learning Preoperational thinking (preconceptual, intuitive thinking) Concrete operational thinking Formal operational thinking

4. IQ correlations: Identical twins together.86 Fraternal twins together.62 Siblings together.41 Siblings apart.24 Parent-child together.35 Adoptive parent-child together.16 ( after Henderson, 1982 ) Brain size.52 Video: Animals: How smart?