Answer: Option A,B & D
<u>Explanation:</u>
The elections of 1800 were very significant in the history of United states because for the first time there was a shift in power from one party to another as a result of weakening of the federalist party. But there was a tie which made way for the twelfth amendment talking about casting different votes for the post of president and vice president instead of casting two votes for president.
Answer:
A mountain is a landform that rises high above the surrounding terrain in a limited area
An example of a(n) double-blind research study would be where an experiment was conducted on caffeine-induced stress when neither the class researchers nor the test subjects knew who received caffeine and who did not until after the study was finished.
<h3>What is double-blind research study?</h3>
- A double-blind study is one in which neither the participants nor the researchers are aware of which group is getting the treatment.
- However, it also prohibits researchers from unintentionally disclosing information about the experiment.
- This type of study is particularly helpful in avoiding biased reports that are likely the result of placebo effects.
- Imagine, for instance, that researchers are looking into the effects of a novel medication.
- The participants in a double-blind study would not be aware of who was receiving the real medication and who was receiving a placebo, and neither would the researchers who contact with them.
Learn more about double-blind study here:
brainly.com/question/4911918
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