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"
D is the answer so its correct and your welcome
The law cannot enforce responsiblity
Answer: Option (D)
Explanation:
The contingency model given by the psychologist Fred Fiedler is referred to as the contingency theory that is mainly involved with efficacy and performance of a leader in a business or an organization. Under this theory of leadership, it is stated that the organization leader’s efficacy is mostly contingent upon the circumstances i.e. how their leadership approach tends to match to these circumstances.