It is impossible to standardize personality inventories.

Question

Quizplus · Accepted Answer

While there may be some variability and limitations to standardizing personality inventories, it is possible and common practice to establish norms and standard scoring procedures for widely-used assessments such as the Big Five Personality Traits Inventory or the Minnesota Multiphasic Personality Inventory (MMPI). Standardization helps ensure that results are consistent and reliable across different individuals and contexts, and allows for meaningful comparisons and interpretations.

It Is Impossible to Standardize Personality Inventories