Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
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Answer:
A
Explanation:
The Mayflower Compact was the 1st document to declare self-governing in the New World. It established common good in which it represented all people. Influencing Decleration of Independence.
A basic economic model that is used across the world is that of real GDP per capita.
<h3 /><h3>What is the real GDP per capita?</h3>
This is found by dividing the Gross Domestic Product of a nation by its total population.
The point of this is to show the productive capacity of each person in the country on average.
Find out more on the real GDP per capita at brainly.com/question/1317010
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