National Public Radio (NPR) ran a story this morning about the results of a study that concluded that eating organic food does not actually make people any healthier. While people who eat non-organic food (veggies) consume more pesticides than those who eat organic fruits and vegetables, the amounts of pesticides are so small that it actually does not matter. Also, non-organic and organic fruits and vegetables appear to statistically have the same amount of nutrients.
(1) The dependent variable would be:
(2) It (the dependent variable) could be measured how?
(3) The independent variables would be?
(4) The independent variables could be measured how?
(5) What would be some covariates for this study (other variables that are good to know about, such as demographic characteristics)?