The percentage of people who develop alcohol dependence some time in life if they start drinking after 21 is 9%.
<h3>Why is it recommended to only drink after 21?</h3>
Of the people who begin to drink earlier than 21, more than 30% of them will develop alcohol dependence at some point in their lives.
Those who start drinking after 21 however, will have more control which is shown by only 9% of them developing alcohol dependence later in life.
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Correlation research differs from experimental research by focusing on how variables d. are associated
<h3>What is Correlation Research?</h3>
This refers to the type of research that has to do with the establishment of causality and also the way some variables are associated.
Hence, we can see that this is very different from experimental research because experimental research has to do with the way variables are manipulated.
Therefore, option D is correct.
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