<span>The major factor involved with westward expansion was violent confrontation due to polar opposite forms of culture and government. Any oppositions from the native americans was quickly shut down by the U.S. Government.
However without western expansion our nation would be 2/3 of the size it is today.
Bad effects:
</span><span>The buffalo population was depleted, the land went from untouched to developed for people, and all the grass was grazed, the water contaminated
Good effects:
</span><span>People wanted to go west because they sought the opportunity to own land and make money. And the expansion of the railroad</span>
<span>The number is seven, with a tolerance of two items more or less. We can code in approximately seven items that we have heard, with some people averaging up to nine items and others as few as five items. This, however, does not take into effect the ability for people to "chunk" items together.</span>
The correct answers are treatment; depression levels.
Answer 1: The independent variable (IV) in this study is the treatment the clients receive; that is, whether or not they received <span>cognitive-behavioral treatment. An IV is an experimental variable in a study that is controlled and manipulated in order to measure its effects on dependent variables or outcomes.
Answer 2: </span>The dependent variable (DV) in this study is the clients' depression levels. DVs refer to outcome variables or results that are obtained as a result of manipulating an IV. In this instance, the manipulation of the IV (whether the participants received cognitive-behavioral treatment or were instead wait-listed) led to the DV- clients' depression levels. Specifically the researchers were investigating whether receiving the treatment had an influence on clients' depression levels.