THINKING
AND
INTELLIGENCE
PROBLEM-SOLVING STRATEGIES
 Trial and Error—a process of elimination
• takes lots of time when possible solutions are
many
• works for smaller problems
 Algorithms—guaranteed to work
-a problem-solving strategy that, when
followed step-by-step, always produces
the correct solution
 Heuristics—rules of thumb
-a general rule of thumb that may or may not
work
 Insight and Intuition—aha!
 Functional Fixedness—seeing things as
functioning only in the usual or customary
way
INTELLIGENCE
 Army Alpha and Beta tests
 Alfred Binet
 Lewis Terman
NATURE VS NURTURE
Minnesota Twin Studies