Psychologists follow a code of ethics that has been developed by the APA. Descr

Psychologists study animals to conduct basic research on a particular species.
Psychologists study animals to discover practical applications.
Psychologists study animals to study issues that cannot be studied experimentally with human beings because of practical or ethical considerations
Psychologists study animals to clarify theoretical questions.
Psychologists study animals to improve human welfare.
The APA code requires the humane treatment of animals and is more comprehensive than federal law.
Animal research provokes angry disputes because animal rights activists want to eliminate all research using animals.