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Chapter 1 Continued

# Chapter 1 Continued - Announcements Homework#1 now due Jan...

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Announcements Homework #1 now due Jan 14 th (Monday)

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390 Opportunities Chance to learn more about the research process Experience collecting and analyzing data Looks good if interested in pursuing a career in research If interested, contact Dr. Margo Monteith Phone: (765) 496-9461 E-mail: [email protected]
What Do the Data Tell Me? Descriptive Statistics : organizing and summarizing observations For example, I can find the average # of aggressive acts for my two groups Non-Violent Programming = 6 aggressive acts Violent Programming = 10 aggressive acts Can I conclude that violent programming makes children more aggressive?

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True for the sample, but what about the population of 6-9 year-olds? Inferential Statistics : tools to draw conclusions about a population on the basis of data from a sample Assumptions and techniques that allow us to make decisions about the described data
A Statistical Conclusion After applying a Statistical Procedure (e.g., a t-test), we make a Statistical Conclusion about the data (a conclusion about numerical properties of the data) E.g., there were a greater number of aggressive acts performed by children exposed to violent television programming

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Research Conclusion Statistical conclusion might or might not be the same as the Research Conclusion , because
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