An in-depth examination of an individual or a group who goes to a psychiatrist, psychologist, or social worker for assistance with psychological or medical problems or disorders is called

A) ethnocentric bias.
B) a biased sample.
C) survey research.
D) clinical research.

Clinical research involves the in-depth examination of an individual or a group who seeks professional help for psychological or medical problems or disorders. The research is conducted by psychiatrists, psychologists, or social workers to diagnose, treat, and manage mental health problems. Ethnocentric bias refers to the tendency to judge other cultures based on the standards of one's own culture. Biased samples are samples that do not represent the population accurately, while survey research involves collecting data from a sample of respondents through questionnaires or interviews.