Designing a controlled experimental study one way that researchers study the effects of trans fats on people's health is by setting up controlled experiments. for example, in an experimental feeding trial, participants agree to stick to specific diets that the researchers prescribe. in this case, the researchers might vary the proportions of saturated, unsaturated, and trans fats in the diet of each participant. throughout the study, the health status of the participants is monitored closely.

For each of the following, mark whether it is a possible confounder (a factor that mixes up the results, making it look like candy is to blame when it's a causal (or causation) link which supports the argument that candy causes criminal behavior (ie, explains how candy leads to criminality ), or neither (an irrelevant factor, something that may cause people to become criminals but has nothing to do with eating candy). choose your answers based only< on the information given. additives in candy- additives found in candy may adversely affect brain development of young children in ways that could contribute towards adult aggression. impulsive personality-- kids who are highly impulsive and have trouble delaying gratification are more likely to eat candy every day as children and more likely to disobey laws as adults. violent abuse-- children who suffer violent abuse are more likely to become violent adults and commit violent crimes. gender- boys are overwhelmingly more likely to commit violent crimes

Explain the correlation between industrialization and urban areas

According to the law of supply,suppliers want to sell their product at prices