Psych-08_21 - Psyc 21 August 2008 Definition of science An...

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Psyc 21 August 2008 Definition of science An attempt to provide an ordered description and explanation of the world “a disciplined and orderly way of finding answers” Empiricism – objective evidence Skepticism – where is the data? Parsimony – simpler is better? (all other thing being =)(Fewer assumptions Is always better than more assumptions) Tentativeness – new information may arise Publicness – science is conducted in the open and is available for public scrutiny Science vs. Nonscience or pseudoscience Pseudoscience Data = casual observation, hearsay Attitude is accepting, not skeptical Often derive ideas from myth, folklore “science is having an interesting idea about something, then going out of your way to prove yourself wrong. Pseudoscience prove yourself right” Goals of the Scientific Approach -Measurement and Description -How often does road rage occur? -Understanding and Prediction -Why does road rage occur? -Application and Control -How can road rage be prevented? Theory - A systematic way of organizing observations; a set of statements that explains relationships among variables - Must be falsifiable Variable - Any phenomenon that can vary along some dimension Reasearch Vocabulary Operational definitions – clarify precisely what is meant by each variable Participants or subjects – organisms whose behavior is systematically observed in a study Hypotheses – specific predictions about relationships between variables Statistics – used to analyze data and decide whether hypotheses were supported within some reasonable
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This note was uploaded on 11/08/2010 for the course PSYC 1101 taught by Professor Leader during the Spring '07 term at Georgia Tech.

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Psych-08_21 - Psyc 21 August 2008 Definition of science An...

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