thinking_scientifically_-_notes_version - 8/2/2010...

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8/2/2010 1 Syllabus & Thinking scientifically Psychology 7 Instructor: Zach Simmons Office hours Mon 10-12 or by appt. TA: Kim Mangel Office hours Weds 10-12 Research Methods Lots of vocabulary Different types of research designs Ways to assess validity Types of alternative explanations Critical (scientific) thinking How can we evaluate whether something is true or not How to phrase the question How to collect data How to interpret the data to provide an answer (if possible) Research Methods All class materials will be posted on Gauchospace Additional readings Lecture notes (should be night before class in most cases) Grades Textbook: Methods in Behavioral Research (10 th ed); Paul Cozby Research Methods Grades will depend on: Exams Midterm 11 August (30%) Midterm 25 August (30%) Final 8 September (40%) Research participation Grades in this class are always curved Research Methods Grading policy 10-15% of class A- or above 40-45% of class B- or above 80-85% of class C- or above So performance is both absolute (how many get high grades), but also relative (exact grade received)
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8/2/2010 2 Thinking critically (and scientifically) Types of common errors in reasoning Representativeness heuristic Availability heuristic (vividness problem) Base-rate fallacy Gambler’s fallacy Imagine flipping a coin 10 times. Below are two possible sequences 1) 1) HHHHHTTTTT HHHHHTTTTT Representativeness 2) HTHHTHTHHH Which sequence is more likely to occur? A: #1 is more likely to occur B: #2 is more likely to occur C: #1 and #2 are equally likely to occur H HHHHT TTTT .5 x .5 x .5 x .5 x .5 x .5 x .5 x .5 x .5 x .5 = .00097 H T H H T H T H H H Representativeness .5 x .5 x .5 x .5 x .5 x .5 x .5 x .5 x .5 x .5 = .00097 This This is referred to as the is referred to as the Representativeness Representativeness heuristic heuristic Availability
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This note was uploaded on 12/18/2010 for the course PSY 7 taught by Professor Sherman during the Summer '09 term at UCSB.

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thinking_scientifically_-_notes_version - 8/2/2010...

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