For the purposes of experimentation and testing, IANA has assigned the two values 253 and 254 for this purpose
Experimentation.
Empirical
empirical
subjective
Empirical probability.
The word is "experimentation." Experimentation involves testing a hypothesis by conducting carefully controlled steps or procedures to observe the outcomes and draw conclusions.
It is called empirical or experimental probability.
Animals are tested because they are healthy and no disease they could possibly have or any meds they are on will effect what they are doing with the testing.
Trying to demonstrate a fact by testing to see if the same result occurs repeatedly is called Experimentation.
Experimental or empirical probability.
An animal tester is a person who engages in animal testing, the practice of using animals in scientific experimentation.
Lauren B. Nethery has written: 'Animals in product development and safety testing' -- subject(s): Animal experimentation, Toxicity testing