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Scientific Method 1.13

Scientific Method 1.13 - ResearchMethods PSYCE226

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Research Methods PSYC E226 1/13/10
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Understand different ways of gathering knowledge  Learn strengths and weaknesses of these Learn the steps of the scientific method Learn the framework for the steps of research
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Consistent way of gathering knowledge Confidence in information gathered for: Making policy and law People making decisions for health and behavior Understanding effectiveness of programs One research study can lead to the next – Many  scientists study the same subject their whole  career
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Tenacity : Trusting an idea because it has been  around for a long time Example: You can’t teach an old dog new tricks What is wrong with this method?  Intuition : Using information because it “feels right,”  or using a gut feeling Example: Choosing to have pizza for dinner What are flaws with this method?
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Example – information from a website,  newspaper, professors Faith is another example – we believe that the  trusted figure is correct, so we don’t question Example - Belief in the tooth fairy Are there flaws with this method? This can be a good method when you trust the  source and can question their information
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The rational method uses logical thinking An argument is produced by using information that  we already know, called premise statements Premise statements:  All 3 year-olds are afraid of the dark Amy is a 3 year-old girl Conclusion: Amy is afraid of the dark What are flaws with this method? 
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The empirical method uses direct experience to  gain information There are  number of people in this class today Are the horizontal lines in the picture below tilted?  We can’t always trust our eyes or other senses
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