Manuel approaches his psychology professor about the possibility of using the rats in the college's animal lab to conduct a psychological study. his professor appropriately reminds him that if his use of animals is to be in accord with ethical principles, his research must have an acceptable scientific purpose and that he should expect it to: 1. follow the animal throughout its lifespan development.2. be considered for publication.3. increase understanding of the species under study.4. contribute to the research on learning and memory.

Manuel approaches his psychology professor about the possibility of using the rats in the college's animal lab to conduct a psychological study.

His professor appropriately reminds him that if his use of animals is to be in accord with ethical principles, his research must have an acceptable scientific purpose and that he should expect it to:

3. increase understanding of the species under study.

Explanation:

In general, psychologists  with a scientific purpose research, should act according to ethical principles, being familiar with the appropriate literature and take undertake procedures that are not going to produce any pain in the chosen animals for the study. Animals´ use in a research may not be conducted until the protocol has been reviewed by an Institutional Animal Care and Use Committee (IACUC) that ensures appropriate procedures and it to be the best suited to fulfill the clear scientific purposes of the research, increase knowledge and understanding of the process underlying the evolution of the species under study ,development, maintenance, alteration, control, or biological significance of behavior.

The psychologist should monitor the subjects’ welfare throughout the course of the investigation to ensure continued justification for the research and provide results that benefit the health or welfare of humans or other animals.

every society, in order to meet the needs of it's people, has to answer three basic questions:

- what should we produce?

- how should we produce it?

- for whom should we produce it?

this questions must be answered in order to, option b, aid in production decisions.

every country can't produce everything, no matter how rich their land is. it may be a matter of technology, resources or geographical conditions. so, these three questions must be resolved in order to get the most of the production of each land.

hope this !

the above statement/question is (true);