<span>The most powerful trade associations represent large industries such as </span>
<span>pharmaceutical
Pharmaceutical industry is usually huge as it involves numerous different processes and employs thousands of people in just one country.</span>
In research studies, when you execute scientific experiments, you always have the independent and dependent variables. Dependent variables are the parameters you want to measure or investigate. Independent variable, on the other hand, are parameters or events that you control or set. In this case, the dependent variable is the amount of collisions made by the two groups.