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Unit 5b Just Hard Work—Statistics and the Thesis or Project Process. Cool Bicycles. http://blogs.dixcdn.com/inpictures/wp-content/uploads/2009/05/dog-bike-ride_froe.jpg. Statistics. Chi-square—Compares groups frequency (nominal data) t - test –Compares means of two groups (interval data).
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Unit 5bJust Hard Work—Statistics and the Thesis or Project Process Cool Bicycles http://blogs.dixcdn.com/inpictures/wp-content/uploads/2009/05/dog-bike-ride_froe.jpg Unit 5 CA 517
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). Unit 5 CA 517 http://ep.yimg.com/ca/I/yhst-66926684795411_2062_2511509
A Statistical Test Is Required to Test A Hypothesis! Unit 5 CA 517 http://farm3.static.flickr.com/2103/1496949592_9dc327ae77.jpg
Null Hypothesis • The statistical hypothesis is sometimes called the Null Hypothesis. It is the hypothesis that is tested. • There is no significant difference. . . http://limcorp.net/images/2009/creative-bicycles-designs/olympic-ring-shaped-bicycle.jpg Unit 5 CA 517
Picking a statistical test • Need to know type of data (e.g., nominal, ordinal) • Need to know nature of group comparison or variable relationship. http://www.chinadaily.com.cn/english/doc/2004-11/11/xin_22110111150894213849.jpg Unit 5 CA 517
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 http://static.panoramio.com/photos/original/1596726.jpg Unit 5 CA 517
Review Reading--Handout • Dalmatian dog riding a bike in Japan http://i.dailymail.co.uk/i/pix/2009/01/22/article-1126577-0324BC28000005DC-500_468x315.jpg Unit 5 CA 517
Communication Research = Eclectic methods • Experiments • Ethnography (field observation) • Discourse analysis • Survey methods • Network analysis • Content analysis • Rhetorical methods • Feminist methods Unit 5 CA 517 http://www.denniscox.com/BeijingBicycles.jpg
Proposal—Follow the APA Structure • Straightforward Title. • Background. • Operational Definition. • Research Question. • Survey of Literature. • Proposed Design. • Measure and Statistics. • Presentation Method (Defense). Unit 5 CA 517 http://farm1.static.flickr.com/179/376431055_4f8c45ef2d.jpg
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
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. http://www.islandcrisis.net/wp-content/uploads/2009/06/image007.jpg Unit 5 CA 517
End Information from Kerlinger & Lee, and Sumser. Photos from students and Google search word “funny.” Unit 5 CA 517