PSY30400 Study Guide - Midterm Guide: Intelligence Quotient, Standard Deviation, Syllogism
Take Home Points Exam 3
deductive reasoning
• draw conclusions from observations; determine whether a conclusion logically follows
from premises
• syllogism—basic form deductive reasoning—two premises followed by 3rd conclusion
o categorical
▪ all, no or some
o valid when conclusion follows logically from 2 premises – ot eessarily true
• validity vs. truth makes it hard to judge whether reasoning is logical or not
• belief bias—tendency to think syllogism valid if the conclusion is believable
• wason four card
o based on conditional syllogism—if…, the…
o people better at judging the validity of syllogism when real-world examples
are substituted for abstract symbols
o falsification principle: to test a rule, it is necessary to look for situations that
would falsify the rule
▪ permission schema
Intelligence
Binet & Simon – mental age
• intelligence quotient mental/chronological
• developed a test to compare scores of students relative to the average of their age
group
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