Standardization

Definition

Standardization in psychometrics refers to the process of establishing a set of norms or standards for comparing individual test scores to a larger population. It involves administering the same test to a representative sample and using their scores as a basis for comparison.

Related terms

Norms:

Norms are established benchmarks that indicate typical performance on a psychological test within a specific population.

Z-Score: A z-score measures how many standard deviations an individual's score is from the mean of a distribution.

Percentile Rank:

Percentile rank indicates the percentage of people in a norm group who scored lower than or equal to an individual's score.