Answer:
dependent: exam score, independent: presence of music,
confounding can be the fact that students in no music condition completed exam as they normally would
high validity
Explanation:
Dependent variable is the variable whose value depends on independent varaible. As independent variable is changed, the value of dependent variable changes
Students in no music condition completed exam as they normally would can be confounding as no description is given about how they would noramlly complete an exam. Any other factor and not no music condition, in normal exam condition could have affected their scores.
The experiment has high validity as the exam scores of student exposed to music was significantly higher than those not exposed to the music. The results also proved the hypothesis.
The answer is - within 21 days
The primary way that the economy in the south differed from the economy of the north was that the South's economy was almost entirely agricultural and relied heavily on slavery, whereas the economy of the North was almost entirely mercantilist and had very little slavery.
Answer:
A. True
Explanation:
Libertinism is practiced by individuals called libertines. They have a total disregard for the appropriate authorities and acting in an unruly manner. They also act far and against the basic principles of morality.
These facts makes libertinism being indulged by the body and its desires. This means an absence of control or discipline exhibited by people which validates it being true.