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PSY 111 Chapter Two Notes.docx - PSY 111 Chapter Two Notes...

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PSY 111 Chapter Two NotesResearchResearch- Is an attempt to understand the world in general.Psychological Research-is an attempt to understandhuman experiencesof themselvesand the world.Research Tip one:oResearch is a languageLearn the key terms/conceptsResearch Tip Two:oTheoryrefers to a specific set of assumptions and principles about aphenomenonoDerivehypothesesoSystematically test hypotheses in various conditions in order to determine theaccuracy and utility of the theorySteps in scientific researchTheoryoHypothesesMethodsoStudy design (correlational, experimental)oDeveloping/selecting measures (validity, reliability)oSamplingoEthics (Inform consent, etc)DataoCollection methods (lab, naturalistic, etc)oAnalysisStudy DesignTwo primary research designs:oCorrelational (uncovers relationships/associations between two variables)oExperimental (uncovers casual relationships between variables)Correlational Study DesignIndicates the extent to which two variables fluctuate together
oPositive correlation- both variables increase or decrease togetheroNegative correlation- as one variable increases, the other decreases, and viceversaMeasuring CorrelationsoCorrelation coefficient (r): Measures the strength of correlationoThe direction of the relationship is indicated by the sign of the correlationcoefficient (+,-)(r) ranges from -1 to +1-1 (perfect negative correlation)+1 (perfect positive correlation)0 (no correlation)

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Term
Spring
Professor
Cooper
Tags
Psychology, Experimental Group, experimental study design, correlational study design

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