<span>In randomized controlled trials, people are randomly assigned to each category to offset any potential bias.
</span>Selection bias<span> is the phenomenon where</span><span> the </span>selection<span> of people or groups is not adequately randomized to offset potential bias in research studies. This in turn does not ensure that the study samples included in research are representative of the population needed to be tested on.</span>
Answer:
D
Explanation:
Articles of confederation were weak and the federal gov't had no power.
Answer:
The answer is Abraham Lincoln.
Explanation:
The full quote is: "To care for him who shall have borne the battle and for his widow, and his orphan". He meant to emphasize th government's obligation to take care of the soldieres who were injured in war, and provide for their families.
It was only until 1959 that it became the motto of the then called Veterans Administration.
Answer:
Once the Portuguese breached [entered] the Indian Ocean, they didn't create, like, huge colonies, because there were already powerful empires in the region... ... [6:03] So, Portuguese merchant ships would capture other ships and force them to purchase a permit to trade called a cartaz.
Explanation:
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-Mackie
