Question

according to the apa code of ethics, are researchers who use animals in experiments ever allowed to subject those animals to pain or stress?
yes, but only if the animals are given appropriate anesthesia and no other procedure is available.
the apa does not issue guidelines on the use of animals in research.
no, the apa does not condone the use of animals in research in any circumstance.
yes, but only when an alternative procedure is unavailable and the goal is justified by its prospective scientific, educational, or applied value.

Explanation:

The APA code of ethics allows researchers to subject animals to pain or stress only when alternative procedures are unavailable and the goal is justified by its scientific, educational, or applied value.

Answer:

Yes, but only when an alternative procedure is unavailable and the goal is justified by its prospective scientific, educational, or applied value.