Flashcards
Nutrition Flashcards Chapter 2
Cards in this deck (15)
- 1What is a Laboratory Experiment?An investigation where a hypothesis is scientifically tested. there is an independent variable (the cause) and the dependent variable (the effect) is measured; and a control
- 2What is a Double-blind study?An experiment (usually on humans) where neither the subjects or the testers know who has what assignment, they are labeled with codes revealed at the end of the study.
- 3What is an Epidemiological study?experiments testing the reason for health problems happening, how it spreads, and why in people (surveys questioning peoples health habits, health examinations etc)
- 4What is an Observational study?Studies observing occurrences in humans over time
- 5What is a Case-control study?individuals with a health condition (cases) such as heart disease or breast cancer are matched to persons with similar characteristics who do not have the condition (controls)
- 6What is a Cohort study?epidemiologists collect and analyze various kinds of information about a large group of people over time.
- 7What is a Retrospective cohort study?researchers collect information about a group's past exposures and then look at their current health outcomes
- 8What is a Prospective cohort study?healthy people watched over a time period and any diseases that eventually develop are recorded.
- 9What is Positive Correlation?Two variables increase or decrease in the same direction
- 10What is Negative correlation?One variable increases, the other decreases
- 11Define treatment and control groupTreatment: They receive the treatment in a controlled study
Control: They do not receive the treatment in a controlled study - 12Why is it important for scientists to have a control group when conducting their experiments?It lets scientists compare results between the two study groups to determine whether the treatment had any effect.
- 13Define the placebo effect and explain how it works.If a patient thinks the medical treatment will help or hurt their health, they are more likely to say their results based on that in the treatment results.
- 14What are the red flags when evaluating nutritional information?Promises of quick and easy remedies: “Our product helps you lose weight without exercising or dieting.”
Claims that sound too good to be true: “Our all–natural product blocks fat and calories from being absorbed, so you can eat everything you like and still lose weight.”
Scare tactics: Sensational, frightening, false, or misleading statements about a food, dietary practice, or health condition, such as “Dairy products cause cancer.”
Attacks on conventional scientists and nutrition experts: “Medical researchers don't want you to know the facts.”
Testimonials and anecdotes: “I lost 50 pounds in 30 days using this product.” A testimonial/personal endorsement
Promotes benefits while overlooking risks: “All–natural supplement boosts your metabolism naturally, so it won't harm your system.” Anything a person consumes, even water, can be toxic in high doses.
Vague, meaningless, or scientific-sounding terms: “Our all–natural, scientifically tested, patented, chelated dietary supplement detoxifies your liver fast.”
Vague sources: “Clinical research performed at a major university - 15—
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- Nutrition (Unit 1 Test) Flashcards on Nutrition Flashcards Chapter 2, created by Hannah Boyer on 13/02/2019.
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- Hannah Boyer
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