The correct answer is D.
<u>It is an observational study</u><u> because the researcher is </u><u>NOT</u><u> manipulating the explanatory variable</u>, whether a person drinks green tea or not, in order to study the effect of the value it takes, over the dependent variable: LDL cholesterol level.
<u>In opposition, experimental studies manipulate the explanatory variable</u> in order to assess the effects caused on the dependent variable by such deviance.
Answer:
On May 25, 1787, delegates representing every state except Rhode Island ... the U.S. Constitution–the Bill of Rights–and sent them to the states for ratification.
Explanation:
That whites were superior to African Americans
Hope this helped!
A clinical psychologist works directly in the mental health field with patients. They may work with patients one-to-one or in a group setting, diagnosing and treating patients for various mental disorders. His/her goal is to help their patients understand their problems and then recover from their problems. They use the most up to date version of Diagnostic and Statical Manual
