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Reasoning in Psychology Using Statistics

Reasoning in Psychology Using Statistics. Psychology 138 Spring 2015. Outline Course format Lecture classes Labs: Calculations and SPSS Brief syllabus review 30 min intro video. Announcements. “ It ’ s about almost everything in modern society. ”

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Reasoning in Psychology Using Statistics

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  1. Reasoning in PsychologyUsing Statistics Psychology 138 Spring 2015

  2. Outline • Course format • Lecture classes • Labs: Calculations and SPSS • Brief syllabus review • 30 min intro video Announcements

  3. “It’s about almost everything in modern society.” Bennett, Briggs, Triola (2003), Statistical Reasoning for Everyday life • Statistics: tools, used to make decisions • Descriptive statistics • Inferential statistics • Data: numbers with a context • How were numbers measured, what do they mean? • Understanding the context What are Statistics?

  4. Syllabus • Where is it?: ReggieNet (via MyIllinoisState) • Direct link to syllabus: • http://psychology.illinoisstate.edu/jccutti/psych138/sp15/138syllabus.html • Contact information: for me and your GAs • Course Calendar and Outline • Powerpoint lectures, links to labs, due dates, etc. • Evaluation: • 1000 points total, 900-1000 for A, etc. • I don’t round up, so 899 is a B • Exams: In-lecture & in labs, quizzes, final project, labs

  5. Instead of an expensive textbook • Read it before coming to lecture and going to labs • Practice questions (solutions are in the back) Reading Packet (download the pdf)

  6. Week 3 • Main points from the video • Every statistical test starts with an appropriate selection of subjects • Inferences must be based on more than one observation because of variability • Two types of error must be controlled while testing hypotheses • A decision is based on two things: • The difference between groups • The variability of the scores Weeks 5&6 • Inferential statistics: hypothesis testing – rats, robots, and roller skates • Wiley (1977) Week 10 Weeks 10-15 Video review

  7. Today’s lab • Getting to know Your GAs and the Lab set up • ReggieNet site • Practice a quiz • Uploading a file • Submitting and assignment Questions?

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