If you could only select one answer, my guess would be education and prevention.
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.
Answer:
A Command Economy is a system where the government , rather than the free market , determines what goods should be produced , how much should be produced , and the price at which the goods are offered for sale . It also determines investments and incomes . The Command Economy is a key feature of any communist society .
Explanation:
Answer:
b. target population; sampling frame
Explanation:
Defining the population in a survey is a two-step process. The first step consists of defining the <u>target population</u> the second step consists of constructing the <u>sampling frame</u>.
The target population has to do with the group of individuals or population the research is interested in researching or intends to apply the results of the result to. while a sample frame is the specific individuals in the population from whom, the sample is drawn. For example, a researcher may want to study the effect of noise pollution on learning activities in High schools in New York city. Students in High schools within New York will be the target population, while the sampling frame will be those students and pupils to whom sampling is done.
The term "selected by the Legislature thereof" is changed to "elected by the people thereof" in the first paragraph of Article I, section 3 of the Constitution by the Seventeenth Amendment, which also provides for the election of senators. Additionally, it permits each state's governor or executive authority
The Seventeenth Amendment, which transferred the authority to elect U.S. senators from state legislatures to people directly in each state, is the first constitutional amendment to do so in a significant fashion. A statute, agreement, charter, or other legal document may be changed formally through the enactment of an amendment. The word "amend," which means "to improve," serves as its basis. These agreements may be amended to add, remove, or update certain provisions. The United States Constitution was amended in 1913 to include the Seventeenth Amendment, which allowed for the direct vote of U.S. senators by state citizens.
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