04-30 Lecture Slides (Final)

04-30 Lecture Slides (Final) - Lecture 24 Thinking...

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4/30/13 1 Lecture’24:’ Thinking’4’(Decision’Making’1)’ PSYC’2145’ Introductory’Cognitive’Psychology’ April’30,’2013’ Announcements’ n Check’the’grade’entries’on’D2L’and’notify’any’issues’to’ your’TA’by’ TOMORROW’(04/24)’ ¨ All’exam/quiz/ZAPS’scores’(except’the’Fnal’exam)’will’be’ Fnalized’by’the’end’of’this’week’ n Plan’for’the’next’(last)’lecture’ ¨ Decision’making’(continued)’&’the’neural’basis’of’thinking’ ¨ Assigned’reading:’Chapter’11’(readings’for’04/25,’04/30,’&’ 05/02)’ A’Brief’Review ’ n A’running’theme’ ¨ Human’thinking’often’operates’on’the’basis’of’rules’of’thumb’ and’frequently’deviates’from’fail-safe’or’ideal’procedures’ n Examples’of’“Ideal”’or’“fail-safe”’procedures’ ¨ Problem’solving:’ Algorithms ’(fail-safe)’ ¨ Reasoning:’ ±ormal’logic’ (ideal)’ ¨ Decision’making:’ Normative’models’ (ideal)’
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4/30/13 2 Decision’Making ’ n Decision’making’is’reasoning’about’choices’ ¨ Decision’making’research’has’implications’for’the’ “rationality”’of’human’thinking’ (more on this on 05/02) n Is’human’thinking’rational’or’irrational?’ n One’approach’to’the’rationality’question’ ¨ Examine’the’extent’to’which’human’decision’behavior’ follows’the’predictions’of’“normative”’models’ ¨ Normative’models’=’Models’that’deFne’ ideal ’performance’ under’ ideal ’circumstances’in’making’decisions’ n Analogous’to’laws’of’physics’ Utility’Theories ’ n Utility’theories’serve’as’“normative”’models’that’describe’ ideal’performance’under’ideal’circumstances’ ¨ Expected’utility’theory’ ¨ Multiattribute’utility’theory’ n The’central’idea’behind’utility’theories’ ¨ We’try’to’maximize’“utility”’ n Utility’=’the’subjective’value’associated’with’a’particular’ circumstance’ ¨ ±ormal’(mathematical)’ways’to’“weigh’the’pros’and’cons”’ Expected’Utility’Theory ’ n Example:’Deciding’whether’to’buy’a’lottery’ticket’ ¨
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04-30 Lecture Slides (Final) - Lecture 24 Thinking...

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