Methods lecture sA - Psychology 24000: Introduction to...

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Psychology 24000: Introduction to Social Psychology Instructor: Prof. D. E. Carlston
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Goals of Methodology lecture To introduce major methodological terms and concepts. To illustrate the strengths, limits and weaknesses of different kinds of research. To keep you out of trouble for one hour.
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Hypothesis: Winning a million dollars Happiness Testable Hypothesis: Winning lots of money Happiness Secondary Hypothesis: Winning more money More Happiness
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Testable Hypothesis: Winning lots of money Happiness Operational Definitions: Winning lots of money Winning more than $100K on a game show. Happiness Person’t ratign of own mood on scale.
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Study 1: Measure the variables of interest. Measure: How much people have won on the show, “Deal or No Deal.”. Rating of own mood on scale: Bad___:___:___:___:___Good Measure: Correlate the measures
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Correlational Results 0 1 2 3 4 5 6 7 Zilch $100 $100K $1M Positive correlation: As one variable (amount won) goes up, other (mood rating) goes up too. Amount of Money Won on Show Mood Rating
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Correlational Results 0 1 2 3 4 5 6 7 Zilch $100 $100K $1M Amount of Money Won on Show Mood Rating Negative correlation: As one variable (amount won) goes up, other (mood rating) goes down.
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Correlational Results 0 1 2 3 4 5 6 7 Zilch $100 $100K $1M Amount of Money Won on Show Mood Rating Zero correlation: When there is no relationship between what one variable does and what other variable does.
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Correlational Results 0 1 2 3 4 5 6 7 Zilch $100 $100K $1M Amount of Money Won on Show Mood Rating Zero correlation: When there is no relationship between what one variable does and what other variable does.
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Correlations -1 +1 0 -.5 +.5 Perfect Negative Relationship Perfect Positive Relationship No Relationship Moderate Negative Relationship Moderate Positive Relationship
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Problems with correlational studies They show that two things are related: For example, how much people win is related to their moods. But is this because winning money puts people in a good mood? Winning Money Good Mood
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Problems with correlational studies Or because being in a good mood helps you to win money? Winning Money Good Mood
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Problems with correlational studies Or because both are effected by something else Winning Money Good Mood INTELLIGENCE
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Problems with correlational studies Or because both are effected by something else Winning Money Good Mood COCKINESS
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Problems with correlational studies Or because both are effected by something else Winning Money Good Mood THE ENVIRONMENT
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This note was uploaded on 02/23/2009 for the course PSY 240 taught by Professor Jones during the Fall '08 term at Purdue University-West Lafayette.

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Methods lecture sA - Psychology 24000: Introduction to...

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