The answer is B). how you feel about yourself
Answer: Double blind clinical trial
Explanation:
The situation that is seen here is double blind clinical trail in which neither the participant nor the practitioner knows who is receiving the treatment.
This is used to prevent biasing in the experiment which is caused due to demand characteristics or placebo effect.
Here, in this situation the dog handlers and the experimental observer both were blinded to identify the breath sample.
What could you do with that ice its gonna be dirty then. Unless its talking about before then just pour some water on it to get the other drinks submerged in some cold water instead of having them sit on top. In fact were the h are your answer choices did you not get any? They would really be helpful right now.
Answer:
they're very common and wear protection to prevent STDs
Answer:
false they could want to because of that
Explanation:
