Because Texas does not have an established system of a party registration, that is why most of the Texans citizens are proclaiming that they are Democrats or either Republicans; this is based on the party they believe better represents their interests and principles.
<span>Experiments in which all variables are identical except for one are called controlled experiments. This where an observer tests his hypothesis by looking on changes that were brought about by one variable. The results are always dependent on one adjusted variable.</span>
