Lecture 4 - 101 - Science and critical thinking F10

Lecture 4 - 101 - Science and critical thinking F10 - -...

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Science and critical thinking 4 – September 15, 2010
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Admin: 8 th edition textbook Check the syllabus before you shoot me an email Today: Science as an approach to evidence Principles of critical thinking Warning signs to put you on your guard Extra credit
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Science Systematic study of some part of reality in accordance with strict set of principles. Reality, facts… Which claims to fact do you entertain? Oberg’s dictum: Keep an open mind, but not so open that your brains fall out.
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Principles for evaluating claims 1. Extraordinary claims require extraordinary evidence
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Principles for evaluating claims 2. Parsimony or Occam’s Razor - simplest explanation for a given set of data is the best one
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Principles for evaluating claims 3. Replicability
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Unformatted text preview: - findings must be duplicated, ideally by independent investigators Warning signs Ad hoc immunizing hypothesis-escape hatch that defenders of a theory use to protect against falsification, usually a loophole or exception for negative findings Lack of self-correction proponents do not change their mind in the face of evidence Warning signs Overreliance on anecdotes Anecdotes are often not representative Cant tell us about cause and effect Difficult to verify Evasion of peer review -doesnt allow work to be screened by colleagues Psychobabble-lots of psychological or neurological language that sounds highly scientific Movie Extra credit during class *only*, must be turned in right after class....
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This document was uploaded on 11/02/2011 for the course PSYCH 101 at Rutgers.

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Lecture 4 - 101 - Science and critical thinking F10 - -...

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