FNN 111 Chapter Notes - Chapter 2: Nutrition Facts Label, Social Environment, Health On The Net Foundation

• School: Ryerson University
• Department: Nutrition and Food
• Course: FNN 111
• Professor: Josh Tarini

Document Summary

Nutrition experts rely on scientific method to find rltnshps btwn. @ lifestyle/environmental factors that might explain something) (cid:1) (cid:1) Looking at 2 different variables that move together in the same direction. A correlation occurs when 2 variables change over the same period. Relationship between variable (weight, height, ethnicity, etc. ) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) (cid:1) Increase in regular soft drink intake, increase in obesity. Not implying that they are cause of e/o, just saying they move/change together. Difficulty in determining which variable is responsible for the condition: multiple factors, such as lifestyle, are often involved, ex. Design study review human subjects research design. Placebos often given to the control group. Wishful thinking , subjects often report changes due to their belief of what the treatment is supposed to do. Giving placebo allows researchers to control for this effect and compare extent of treatments effect vs. placebo.