Answer:
Option A
Explanation:
The complete question is
Consider a researcher who is conducting final clinical trials to validate that a new treatment for anxiety is effective. This researcher is extremely focused on avoiding mistakes in concluding that this new treatment is effective when it really is not when conducting their research. What should this researcher do?
a. set a low alpha level
b. set a high alpha level
c. set a low sample mean
d. set a high sample mean
Solution
Option A
While carrying out multiple tests, alpha levels are set at low value. In this way value of alpha also reduces. The lower is the value of alpha, the lower will the chances of rejecting a null hypothesis. The chances of type II error increases, which makes it difficult to reject the null hypothesis
Null hypothesis in this case is "New treatment is effective"
Answer:
The Renaissance typically refers to a period in European history approximately between 1400 and 1600. Many historians assert that it started earlier or ended later, depending on the country. It bridged the periods of the Middle Ages and modern history, and, depending on the country, overlaps with the Early Modern, Elizabethan and Restoration periods. The Renaissance is most closely associated with Italy, where it began in the 14thcentury, though countries such as Germany, England and France
Explanation:
True is answer this is the right answer