What exactly is the question? Comment and tell me it.
Answer:
It led to rapid expansion
Explanation:
Manifest destiny is the belief that Americans were destined to expand across North America.
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'.
TRUE
Pretending that each option of a multiple choice question is actually a true-false question is a legitimate test taking strategy because it aids in the process of elimination- helping one to distinguish the correct answer.
