TESTINGTESTING

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TESTING

A

good test has

…a balance of

Validity

…and

Reliability

VALIDITY

Is the weighing test above valid?

It says I’m

160cm. Really?

Reliabilityis

Consistency

Respondent

Test

Environment

Affect Reliability

One more thing…

• Both validity and reliability are important• Teachers should be clear on both• A good test = balance of both

REFERENCE

• Brown, H. D. & Abeywickrama, P. (2010) Language assessment: principles and classroom practices (2nd ed.).NY: Pearson Longman.