Class 4 - Power Point Slides

Class 4 - Power Point Slides - Class#4 Writing Assignment#2...

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Class #4 Writing Assignment #2 due next week: Two choices: 1. Read this article: Gina Green (1994). Facilitated communication: Mental miracle or slight of hand? Skeptic , v. 2, no. 3, 68-76. OR 2. Watch this video: Facilitated Communication: Prisoners of Silence (episode of Frontline). Links to article and video are both available on Blackboard. Bring hard copy of paper #2 and use turnitin.
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Today’s class – Common errors in thinking about scientific findings I. Correlation – common errors in interpreting correlational findings II. Common errors in scientific reasoning
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I. Correlation – common errors in interpreting correlational findings Last week – we talked about the difficulties interpreting correlation studies - this often leads to false claims in science. Ex. – A positive correlation between amount of TV watching and autism diagnoses in small children. Conclusion – TV watching causes autism. Does it??
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A. Review What is a correlation ?
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  • Spring '12
  • Glennwood
  • Causality, Correlation and dependence, Pearson product-moment correlation coefficient, Spearman's rank correlation coefficient, scientific reasoning Worksheet

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