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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

 



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