HNF150-HowDoWeKnowLearningNotes.pdf HNF 150
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This 2 page Class Notes was uploaded by Brittany Ballog on Sunday September 27, 2015. The Class Notes belongs to HNF 150 at Michigan State University taught by k. alaimo in Spring 2014. Since its upload, it has received 14 views. For similar materials see Intro to Human Nutrition in Nursing and Health Sciences at Michigan State University.
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Date Created: 09/27/15
HNF150 SPRING 2013 Prof Alaimo Lecture Notes How Do We Know What We Know About Nutrition A How do we know We re born with it 0 Children are born with the innate ability to internally regulate their food intake an ability usually lost by adu hood Children are capable of adjusting the size of meals to meet their energy needs and have demonstrated impressive ability to regulate their energy intake without coercion Taste and disgust Other ways of knowing be careful of pro t motive Professor knowledge Discovered by a scientist HOW DO SCIENTISTS KNOW Information supported by scienti c research 0 Nutrition science process by which scientists collectively and over time endeavor to construct an accurate representation of the world oesenvmow a oueerron B I c M I Idenlily eitpreblem m be solved or ask 1 I O e a p h e n O m e n O n r a SDGCIHIC Question to be answered 2 F0 rm U Ia te a pOt h es I S HEEmHeelSE PREDICTION 39 ESlTlE39Sl ZfrESEEEEJZIillilli the ueslion and make a redietion 3 Pe rfo rm a n experl me nt to test q be this hypothesis w EXPERIMENT 4 Re p ica te th e n din g s of th e Emaiftailli is li fallz experiment by independent experimenters V r 1 RESULTS E IMTEEEHETATIQNE Summarize analyze anld interpret the dale draw some uemne No study IS perfect 0 One is never enough 39 HYPDTHESIS suppue39rep HV39POTHESIS MDT SUPPORTED 5 Peer review of results H w l NEW oeeenvnflohle 8a QUESTlIONE conclusions with 1heee from THEORY Develop a theory that integrates numeroue other Studies HNF150 SPRING 2013 Prof Alaimo Lecture Notes C Scienti c studies are published in scienti c journals 0 Review journals examine all available evidence on major topics 0 Research journals report details of the methods results and conclusions of recently completed experimentsstudies D Types of studies that get published read and study pp13 17 1 Case studies studies of individuals 2 Epidemiological studies studies of populations 0 Usually reveal correlation A is associated with B NOT causann 0 Migration studies studies that follow populations who move from one food environment to another whole diet patterns 3 Intervention studies clinical trial researchers actively intervene in one group of the population experimental group and compare to a group that does not receive the intervention control group 4 Laboratory studies studies performed under tightly controlled situations often involve animals Studies have shown that garlic can prevent cancer
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