Properties of-assessment-methods By Theri

1. Properties of Assessment
methods:
Validity
Reliability
Fairness
Practicality and Efficiency
Ethics Properties of Assessment Methods

2. Validity
1.Validity Is the degree to which a test measures what is
supposed to measure.
2.Validity Content Validity Criterion Validity Predictiv e Validity
Concurre nt Validity Construc t Validity

3. Content Validity
-It is the degree which test items match some
objective criterion.
- Is the degree to which a test measures an
attribute or quality it is supposed to measure.

4. Predictive Validity
- Refers to the degree or extent to which scores on a test can
predict later behavior or test scores.
- Refers to the degree of relationship between scores on a
test or scale on another measure of established validity
given at about the same time.

5. Criterion Validity
- It is when the test item is judge against a specific
criterion.

6. Reliability
-Is the degree to which an assessment tool
produces stable and consistent results.
-Refers to the instrument’s consistency and
stability.
-Inter-rater Alternate forms Internal consistency.

7. Used to assess the degree to which different raters or observers
give consistent estimates of the same phenomenon.
Used to assess the consistency of a measure from one time to
another.
Used to assess the consistency of the results of two tests
constructed in the same way from the same way from the same
content

8. Fairness
Fairness Students need to know exactly what the
learning targets are and what method of
assessment will be used.

9. Assessment has to be viewed as an opportunity
to learn rather than an opportunity to weed out
poor and slow learners.

10. Practicality and Efficiency
-Teachers should be familiar with the test.
-Number of items is not complicated.
-Implementable

11. Ethics
-The term “ethics” refers to the question of right
and wrong.
-Ethics Webster Dictionary defines ETHICAL as
“conforming to the standards of conduct of a
given profession or group.”