Interviews can serve as a great method for research and are applied in various fields - from human resources to health care, jurisprudence to job hiring. Interviews are effective because it provides raw information about attributes, behaviors, preferences, opinions, attitudes, and knowledge about the subject at hand from a group of people. Interviewing is a form of quantitative research and can take various forms. Police interrogations, focused group discussions, job interviews, and medical telephonic interviews are all forms of interviews used towards various end goals.