Psychology Notes - Chapter 1 Research Methods A Scientific Method B Types of Studies C Statistics A Scientific Method 1 2 3 4 Observe some phenomenon

Psychology Notes - Chapter 1 Research Methods A Scientific...

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Chapter 1 Research Methods A. Scientific Method B. Types of Studies C. Statistics A. Scientific Method 1. Observe some phenomenon 2. Form prediction/hypothesis 3. Test hypothesis/ Test prediction 4. Explain/ make a theory - Theory: a set of principles that organizes, explains, and predicts events Why Use Scientific Method? 1. Helps avoid biases - Ex: hindsight bias (making a mistake thinking you knew it all along) 2. Helps avid anecdotal evidence - Can’t always generalize from one example - Stories get distorted 3. Helps meet ethical obligations B. Types of Studies 1. Correlational Studies -Tells us the extent to which two factors vary together - No factor is manipulated - Are factors correlated? - Correlation does not let us conclude whether one factor causes another! * Don’t know which factor came first * Don’t control extraneous variables = variables having unintended/
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unwanted effect * Example of not inferring causation : Correlation b/w video game playing and violent behavior a.
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