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PRINCIPLES OF LANGUAGE ASSESSMENTPRINCIPLES OF LANGUAGE ASSESSMENT

VALIDITY

PRACTICALITY

AUTHENTICITY

WASHBACK

Face Validity

Criterion-related Evidence

Consequential Validity

Content-related Evidence

RELIABILITY

Measures what itis supposed to measure.

looks right to other testers, teachers, moderators, and test takers.

represents the whole materials taught

test scores vs suitable external criterion

predictive validity

concurrent

Construct-related Evidence

the effect of testswith regard to specific uses

Consistency and dependability

same student must yield same results

Accuracy within time, cost, and energy.

Degree of correspondence

The effects of tests on teaching and learning

Give generous and specific comments instead of grades