Unit 5 CA 5171 Unit 5b Just Hard Work—Statistics and the Thesis or Project Process .
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Transcript of Unit 5 CA 5171 Unit 5b Just Hard Work—Statistics and the Thesis or Project Process .
Unit 5 CA 517 1
Unit 5bJust Hard Work—Statistics
and the Thesis or Project Process
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Cool Bicycles
Unit 5 CA 517 2
Statistics
Chi-square—Compares groups frequency (nominal data)
t- test –Compares means of two groups (interval data).
ANOVA—Compares means of multiple groups (interval data).
Correlation—Compares trends of two variables (interval data).
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Unit 5 CA 517 3
A Statistical Test Is Required to Test A Hypothesis!
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Unit 5 CA 517 4
Null Hypothesis
The statistical hypothesis is sometimes called the Null Hypothesis. It is the hypothesis that is tested.
There is no significant difference. . .
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Unit 5 CA 517 5
Picking a statistical test
Need to know type of data (e.g., nominal, ordinal)
Need to know nature of group comparison or variable relationship.
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Unit 5 CA 517 6
Decision-Making
Study of statistics. Advisor’s advice. Statistics professor’s advice. Use a chart to guide you such as this one:
http://www.graphpad.com/www/book/Choose.htm
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Unit 5 CA 517 7
Review Reading--Handout
Dalmatian dog riding a bike in Japan
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Unit 5 CA 517 8
Communication Research = Eclectic methods Experiments Ethnography (field observation) Discourse analysis Survey methods Network analysis Content analysis Rhetorical methods Feminist methods
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Unit 5 CA 517 9
Proposal—Follow the APA Structure
Straightforward Title. Background. Operational Definition. Research Question. Survey of Literature. Proposed Design. Measure and Statistics. Presentation Method
(Defense).
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Unit 5 CA 517 10
What do you do with your proposal now?
Advisor to work with you through the process. Committee members. Obtain IRB Approval
Unit 5 CA 517 11
Process
Proposal and every chapter of thesis goes to the whole committee as you proceed.
Keep committee informed about project as you go along.
Committees don’t like surprises—and neither will you.
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Unit 5 CA 517 12
End
Information from Kerlinger & Lee, and Sumser.
Photos from students and Google search word “funny.”