A psychologist has developed a series of personality inventories and wants to determine if they are valid. One of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. The colleague tells him that if he can find a sample of people with a certain personality disorder, they should obtain high scores on the scale. Which type of personality disorder should this psychologist recruit to evaluate this scale?

Question

Quizplus · Accepted Answer

Obsessive-compulsive personality disorder (OCPD) is characterized by a pattern of preoccupation with orderliness, perfectionism, and control. These individuals are often seen as being overly rigid, detail-oriented, and consistently setting high standards for themselves and others. Therefore, it is likely that individuals with OCPD will score high on the perfectionism scale of the personality inventory, validating the scale's ability to measure this construct.

A Psychologist Has Developed a Series of Personality Inventories and Wants