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An interview is a structured conversation where one participant asks questions, and the other provides answers. In common parlance, the word "interview" refers to a one-on-one conversation between an interviewer and an interviewee. The interviewer asks questions to which the interviewee responds, usually providing information. That information may be used or provided to other audiences immediately or later. This feature is common to many types of interviews – a job interview or interview with a witness to an event may have no other audience present at the time, but the answers will be later provided to others in the employment or investigative process. An interview may also transfer information in both directions.
Interviews usually take place face-to-face and in person but the parties may instead be separated geographically, as in videoconferencing or telephone interviews. Interviews almost always involve spoken conversation between two or more parties. In some instances a "conversation" can happen between two persons who type their questions and answers.
Interviews can be unstructured, free-wheeling and open-ended conversations without predetermined plan or prearranged questions. One form of unstructured interview is a focused interview in which the interviewer consciously and consistently guides the conversation so that the interviewee's responses do not stray from the main research topic or idea. Interviews can also be highly structured conversations in which specific questions occur in a specified order. They can follow diverse formats; for example, in a ladder interview, a respondent's answers typically guide subsequent interviews, with the object being to explore a respondent's subconscious motives. Typically the interviewer has some way of recording the information that is gleaned from the interviewee, often by keeping notes with a pencil and paper, or with a video or audio recorder. Interviews usually have a limited duration, with a beginning and an ending.
The traditionally two-person interview format, sometimes called a one-on-one interview, permits direct questions and follow-ups, which enables an interviewer to better gauge the accuracy and relevance of responses. It is a flexible arrangement in the sense that subsequent questions can be tailored to clarify earlier answers. Further, it eliminates possible distortion due to other parties being present.
Face to face interviewing helps both parties to interact and form a connection, and understand the other. Further, face to face interview sessions can be more enjoyable.
Interviews can happen in a wide variety of contexts:
In a blind interview the identity of the interviewee is concealed so as to reduce interviewer bias. Blind interviews are sometimes used in the software industry and are standard in orchestral auditions. Blind interviews have been shown in some cases to increase the hiring of minorities and women.
The relationship between the interviewer and interviewee in research settings can have both positive and negative consequences. Their relationship can bring deeper understanding of the information being collected, however this creates a risk that the interviewer will be unable to be unbiased in their collection and interpretation of information. Bias can be created from the interviewers perception of the interviewee, or from the interviewee's perception of the interviewer. Additionally, a researcher can bring biases to the table based on the researcher’s mental state, their preparedness for conducting the research, and the researcher conducting inappropriate interviews. Interviewers can use various practices known in qualitative research to mitigate interviewer bias. These practices include subjectivity, objectivity, and reflexivity. Each of these practices allows the interviewer, or researcher, the opportunity to use their bias to enhance their work by gaining a deeper understanding of the problem they are studying.