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Properties of Assessment Method
This document discusses key properties that make assessments valid, reliable, fair, practical and ethical. It defines validity as the degree to which a test measures what it is intended to measure. There are several types of validity including content, criterion, predictive and construct validity. Reliability refers to an assessment producing stable and consistent results over time and is measured through inter-rater reliability, test-retest reliability and internal consistency. Fairness means students understand learning targets and the assessment method. Practicality means teachers are familiar with assessments and they are not overly complicated to implement. Ethics in assessment refers to ensuring tests are fair and conform to professional standards of conduct.
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Properties of Assessment Method
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- 2. Validity Reliability Fairness Practicality and Efficiency Ethics Propertiesof Assessment Methods
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- 4. Validity Is the degreeto which a test measures what is supposed to measure.
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- 6. Content ValidityPreditive ValidityCriterion ValidityConstruct ValidityPreditive Validity Concurrent ValidityIt is thedegree which test items match some objective criterion. Content Validity
- 7. Content ValidityPreditive ValidityCriterion ValidityConstruct ValidityPreditive Validity Concurrent Validity Is the degreeto which a test measures an attribute or quality it is supposed to measure. Construc t Validity
- 8. Content ValidityPreditive ValidityCriterion ValidityConstruct ValidityPreditive Validity Concurrent Validity Refers to thedegree or extent to which scores on a test can predict later behavior or test scores. Predictiv e Validity
- 9. Content ValidityPreditive ValidityCriterion ValidityConstruct ValidityPreditive Validity Concurrent Validity Refers to thedegree of relationship between scores on a test or scale on another measure of established validity given at about the same time. Concurre nt Validity
- 10. Content ValidityPreditive ValidityCriterion ValidityConstruct ValidityPreditive Validity Concurrent Validity It is whenthe test item is judged against a specific criterion. Criterion Validity
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- 12. Reliability Is the degreeto which an assessment tool produces stable and consistent results.
- 13. Reliability Refers to theinstrument’s consistency and stability.
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- 15. Used to assessthe degree to which different raters or observers give consistent estimates of the same phenomenon. Inter- rater
- 16. Used to assessthe consistency of a measure from one time to another. Test-re- test
- 17. Used to assessthe consistency of the results of two tests constructed in the same way from the same way from the same content Alternate forms
- 18. Split-half Method Internal consisten cy Cronbach’s Alpha AverageInter-item Correlation Average Item-total Correlation
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- 20. Fairness Students need toknow exactly what the learning targets are and what method of assessment will be used.
- 21. Assessment has tobe viewed as an opportunity to learn rather than an opportunity to weed out poor and slow learners. Fairness
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- 23. Practicality and Efficiency Teachers should be familiar with the test. Number of items is not complicated. Implementable
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- 25. Ethics The term “ethics”refers to the question of right and wrong.
- 26. Ethics Webster Dictionary defines ETHICALas “conforming to the standards of conduct of a given profession or group.”
- 27. Thank You ForYour Cooperation!