The correct answer is B. Type of treatment given to the adolescents
Explanation:
In experimental research, the independent variable is a factor or "treatment" manipulated by the researchers. Moreover, because this is manipulated it is used to measure how another variable known as the dependent variable changes. In the research about anxiety, it is likely the independent variable is the type of treatment (option B) because this is the factor controlled by researchers. Also, this has an effect on the levels of anxiety, which is the dependent variable or main factor studied.
The best way to see if this substance is actually an illegal drug is to use a field test called a NIK that will respond to a certain kind of drug, which will confirm or deny if the substance is illegal or not.
Answer:
True
Explanation: just took the test