Kines:100 Exercise Nutrition and Health Last Lecture's Outline (Lecture 1) Lecture 21. Nutrients and their functions2. States of Nutrients3. Dietary guidelines• Foods and Nutrients to IncreaseCurrent Outline1. Role of Research• Objectives • Research Models • Importance of research 2. The nature of evidence• Research methods Current Lecture (Lecture 2)Role of research • Objective 1: emphasize research evidence underlying the principles associated with exercise, nutrition, and health • Objective 2: enhance your ability to become a critical consumer• Research is the foundation (Bass and Varrett)◦ Scientific investigation leads to major advances (new medication)• Personal experience is biased-- barnum effect (misleading conclusions drawn from personal experience) • distinguish between association verses causation • to dispel myths• research models ◦ nomothetic model: test groups of people ◦ ideographic model: test one individual over a period of time • Why research is important◦ critical analysis is an important part of taking charge of your own health◦ separating hype from research (doesn't work for everyone)◦ Not all science is sound science (biases, inaccurate results) • Consumers challenge ◦ read, evaluate the evidence, accept reject. Be a critical conusmer Nature of the Evidence • comes from: personal experience, testimonies, scientific research• Consider who the participants are (is it generalizable?) and what type of study wasconducted • Research methods◦ Lab experiment (tightly controlled)◦ Clinical trials- randomly assigns people with drug and placebo◦ research groups to test out hypothesis ▪ Women's Health Inititative ◦ epidemiology research (observational study/field study)▪ ex. Framingham heart study • Research generates 'new' knowledge to solve greater world
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