Year: 2024
Type: article
Abstract: Tests are useful tools in the measurement of educational or psychological attributes.They are indispensable tools in the collection of important data in which educational decisions are based.In order to obtain the vital data required, tests must possess acceptable psychometric characteristics or properties.Psychometric properties are most important and fundamental features in the evaluation of any measuring instrument or tool.Validity and reliability are considered the main psychometric properties of such instruments.Validity refers to the degree of accuracy of an instrument (test) to measure exactly what it is intended to measure.Reliability on the other hand, is the ability of an instrument (test) to reproduce a result consistently in time and space.The purpose of this paper was to review the validity and reliability as psychometric properties of tests in some details.The determination of tests' (instruments') psychometric properties is imperative in order to ensure the quality of the instruments used.
Institution: Alvan Ikoku Federal University of Education, Owerri
Language: English
Field: Decision Sciences
Domain: Social Sciences
Open Access status: bronze
OpenAlex ID: W4392391675