Based on a structured interview, diagnostician a classifies an individual's personality disorder in the “odd” cluster. based on another structured interview of the same type, diagnostician b classifies an individual's personality disorder in the “dramatic” cluster. if what is described here is typical of what happens when that variety of structured interview is used, one would say the structured interview has:

Low validity and low reliability.

Explanation:

Structured interview may be defined as a type of interview in which the interviewer has already decided the question. The questions are asked in the same series during the interview.  

Diagnostician A has classified the individual as “odd” cluster. The Diagnostician B classifies an individual's personality as“dramatic” cluster. The structured interview has low reliability. The structured interview has low validity also as compared with other type of interview.

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