TEST EVALUATION

Book Content

Testing Reliability

Reliability is the degree to which an assessment tool produces stable and consistent results

Consistency of measures across different times test forms and context

Testing Validity Appropriateness and usefulness of the

test Validity refers to the degree in which our

test or other measuring device is truly measuring what we intended it to measure. 

Face Validity Face Validity ascertains that the

measure appears to be assessing the intended construct under study.

Related to the test overall appearance

Content Validity Content validity is qualitative in nature,

and asks whether a specific element enhances or detracts from a test or research program.

Related to objectives and their sampling

Construct Validity

It implies using the construct correctly (concepts, ideas, notions)

Criterion Validity  Criterion-Related Validity is used to

predict future or current performance - it correlates test results with another criterion of interest.

Concurrent Validity Concurrent validity is the degree to

which the scores on a test are related to the scores on another, already established, test administered at the same time, or to some other valid criterion available at the same time.

Predictive Validity Capable of anticipating some later

measure. Estimates the relationship of test scores

to an examinee’s future performance as a master or non master

Practicality Validity It is easy to construct, administer, score

and interpret