A research experiment includes participants from various ethnicities and age groups. The researcher's assistant is racially biased toward a certain group. But the researcher, Clark, condones such prejudices and bases his work and findings in a fair manner. In this scenario, Clark is adhering to which of the following principles of the APA Ethics Code?

A. Fidelity and Responsibility

B. Respect for People's Rights and Dignity

C. Integrity

D. Justice

APA Ethics code is an American Psychological Association (APA) of Ethical Principles of Psychologists and Code of Conduct that outlines the principles need to be followed by the psychologist in the field of research.

This Code of conduct outlines five Ethical Principles namely:

Beneficence and Nonmaleficence
Fidelity and Responsibility
Integrity
Respect for People's Rights and Dignity
Justice

The principle that is adhered by Clark is Respect for People's Rights and Dignity.

According to this principle of Ethics, psychologists are required to respect the dignity, privacy and confidentiality of others who are working with them professionally. They tend to minimize their biases and remain aware of the fact about diversity.

In the given case, the biased behavior of researcher's assistant violates this principle, and which is adhered by Clark.

So, the correct answer is option B.