lecture 2_methods

lecture 2_methods - Today's outline PSC 1 Introduction to...

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1 Winter Quarter Guest Lecturer: Christi Bamford PSC 1 Introduction to Psychology Today’s outline c Common Sense vs. Science c The Scientific Method c Research methods in Psychology c Research Ethics Psychology as a Science Why isn’t common sense good enough?? c What is common sense? c Does familiarity breed contempt? c Does distance make the heart grow fonder? c Do opposites attract or do birds of a feather flock together? c We tend to place too much value in our intuition c Hindsight bias c Overconfidence c Confirmation Bias c Other biases will be discussed throughout the quarter Clever Hans Example What did Clever Hans really learn?
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2 What did Clever Hans really learn? Lessons from Clever Hans c Observer (or experimenter) expectancy effects c Our expectations of others’ behavior can affect their actual behavior!! c This can occur unconsciously Lessons from Clever Hans c How do we compensate for expectancy effects and other biases? c Be skeptical c What are other possible explanations? c Use your critical thinking skills! c Make sure the observer is “blind” to the hypothesis being tested. c Test a counter-hypothesis c Try to prove yourself wrong!!! c Controlled observations Research Goals in Psychology c Description c What is happening? (What is the behavior?) c Explanation c Why is it happening? (Why is the behavior occurring?) c Theory = a general explanation of a set of observations or facts c Prediction c When does the behavior occur? c Will it happen again? c Control c What causes the behavior? c How can it be changed? The Scientific Method The Scientific Method c Start with theory c Form research questions c Form a testable hypothesis c Must be very specific c Must be falsifiable
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3 The Scientific Method c Start with theory c Form research questions c Form a testable hypothesis c Test the theory with experiments c Results must be replicable c Data must be collected objectively c Analyze results with proper statistics c Revise the theory based on the results Analyze Results The Scientific Method (Review)
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This note was uploaded on 06/29/2009 for the course PSC 1 taught by Professor Prokosch during the Winter '08 term at UC Davis.

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lecture 2_methods - Today's outline PSC 1 Introduction to...

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