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.
Answer:
A. C. and mabye D.
Explanation:
dont delete the answer please! its self explanatory.
The term commercial refers to activities of commerce, business operations intended for an exchange on the market with the goal of earning profits. The non-commercial activity also exists in the form of non-profit organizations or government agencies. Hope this helps you!
Answer:
the answer is d since you don't like either so you wouldn't eat them and it wouldn't effect you
Hope This Helps!!!
