Answer:
-lack of clarity and consistency of national objectives and standards.
-complex and inflexible approval processes.
The Mycenaean civilization declined over time.
Mycenaean kingdoms fought one another, abd earthquakes destroyed their palace fortresses
At the same time, Britain feared that if it lost the American colonies, it would lose the entire British Empire. In 1776, Britain did not have 13 New World colonies, it had 30. The American Revolution raised the specter of the loss of Ireland and the British West Indies.
Answer:
Internal validity.
Explanation:
Internal validity is the study in which trust relationship is build between treatment and outcome. This relationship is known as <em>cause-and-effect. </em>
In this type research, the studies are based on whether the finding is questionable or not. The research which can overrule the possibility of alternative explanations of our findings is internally valid.
The threats of internal valid study are:
- <u>Natural Improvement </u>
- <u>Maturation</u>
- <u>Historical Events</u>
- <u>Placebo effects</u>
- <u>Nonspecific effects</u>.
So, the correct answer is 'Internal validity'.