9.19.13 Kin 110 discussion section notesMelissa ArmstrongOffice Hours: 12:15 – 1:15 Wednesday in Totman 3Email: [email protected] TA office hoursJen Blankenship: Thursday 1:30-2:30Cory Greever: by appointment Totman 126BJamie Laurin: Monday 1:00-2:00Aaron Karp: Monday 3:30-4:30Hannah Masse: Wednesday 1:15-2:15Quiz tonight on MoodleFit and fat1. What is a primary source and what is a secondary source? Which is this article?Primary sourcesFirst hand reports of findings of scientific investigationSpecific TitleAuthors report directly on scientific research that they conductedNewspapers and MagazinesSecondary sourcesAlways use primary sources!Especially in science classesPrimary sources: panel of experts in the field peer-review articlesAdds credibilityQuality controlBetter to trustMayoclinic: not peer reviewed, not a primary sourceUse scientific methodQuestionBackground researchConstruct hypothesisExperimentAnalyze resultsFalse hypothesis- start againTrue- report resultsPaper includes:Title, authors, abstract, intro, subjects & methods, results, discussion, references, tables and graphsGo over questions with people around you…Should cardiorespiratory fitness also be considered when body composition and mortality are related?Evidence authors used to build case?Previous studies not controlled well-smokers vs. nonsmokerswho were the subjectsmen 30-83 years old21,925 people% body fatskin foldshydrostatic weighing – can’t use children or pregnant womenbetter to be fit and obese than unfit and leancardiorespiratory fitness influences effects of obesityRelative RiskCompares 2 or more groups for their risk to develop a diseaseOne group is the reference group and all others are compared to itLean, unfit men 2x more likely to develop diseaseAdjusting for other factorsAlcohol, smoking, age, examination year, family history of ischemic heart diseaseEven with these factors it still mean lean, unfit men at higher
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