A psychologist discovers that almost all paranoid people say "true" to the statement "I prefer penguins to polar bears" while almost all non-paranoid people say "false." Even though there is no theory or explanation for this difference, this would be a good item for the Paranoia scale on the MMPI.

Question

Quizplus · Accepted Answer

The MMPI (Minnesota Multiphasic Personality Inventory) is designed to identify various psychological conditions and personality traits. If an item consistently differentiates between groups (in this case, paranoid vs. non-paranoid individuals), it can be considered useful for the scale, regardless of whether there is a theoretical explanation for the difference.

A Psychologist Discovers That Almost All Paranoid People Say "True