The correct answer to this open question is the following.
Randomized controlled trials are considered to be the gold standard of study design because they determine casualty, to approximate a controlled experiment, to reduce bias and confounding variables and because it is statistically efficient.
A randomized controlled trial is the kind of study that randomly chooses the participants in a group that is controlled. The outcome of the variable of the study is the expected difference in the study.
Your best answer would be D:<span>"Critical thinking encourages speakers to incorporate appropriate language in their talks."
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Answer:
The answer is B - the officers were cautious and watchful
Explanation:
Because of the way the officers are reacting it would only make sense because there is something going on
It was president John Adams who occupied the White House as the first one ever. He lived there since the 1st November of 1800. The building was known as the President's Mansion at that time.