Free Aptitude & Psychometric Tests - Career Gym

Standard Deviation (SD) - Psychometric Glossary

A measurement of the spread of test scores, with a larger standard deviation indicating that there is a wider dispersion away from the average. The purpose of standard deviation in psychometric testing is to offer an indication of the precision of the tests, with a low standard deviation being ideal.

See also:

Panel InterviewPersonality Inventory / Profile / Test / QuestionnairePsychometric Test Types

Other articles:

Standard Error of Measurement (SEm)Standardised Testing / Standardized TestingStandards for Educational and Psychological TestingStandard-Setting StudyStanford-Binet IQ TestStress InterviewSupervised TestSystematic Bias


Start practising psychometric & aptitude tests - check our FREE online demo!


Psychometric Aptitude Test Practice Online Free - Verbal Reasoning - Numerical Reasoning - Abstract Reasoning

Psychometric Helpdesk