Chapter1Methods - Psychology as a Science In this lecture...

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Psychology as a Science In this lecture we will discuss: science - a method for understanding limits of common sense methods of science description correlation experimentation evaluating data with statistics sources of error and bias in research
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Science vs. Common Sense Common sense and intuition often tell us about psychology e.g., suppose a study tells us that ‘separation weakens romantic attraction’ common sense may tell us - “out of sight, out of mind” or common sense may say the opposite - “absence makes the heart grow fonder” Common sense can be inconsistent and based on hindsight
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Science vs. Common Sense Science helps build explanations that are consistent and predictive rather than conflicting and postdictive (hindsight) Science is based on knowledge of facts developing theories testing hypotheses public and repeatable procedures
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Scientific Inquiry Facts are what need to be explained objective - viewable by others based on direct observation reasonable observers agree are true Theory is a set of ideas that explains facts makes predictions about new facts Hypothesis prediction about new facts can be verified or falsified
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