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TESTING TESTING YEO SZE KAI BT10110212

Validity & reliability an interesting powerpoint slide i created

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Page 1: Validity & reliability  an interesting powerpoint slide i created

TESTINGTESTING

YEO SZE KAIBT10110212

Page 2: Validity & reliability  an interesting powerpoint slide i created

TESTING

A

good test has

Page 3: Validity & reliability  an interesting powerpoint slide i created

…a balance of

Validity

Page 4: Validity & reliability  an interesting powerpoint slide i created

…and

Reliability

Page 5: Validity & reliability  an interesting powerpoint slide i created

VALIDITY

Is the weighing test above valid?

It says I’m

160cm. Really?

Page 6: Validity & reliability  an interesting powerpoint slide i created
Page 7: Validity & reliability  an interesting powerpoint slide i created

Reliabilityis

Consistency

Page 8: Validity & reliability  an interesting powerpoint slide i created

Respondent

Test

Environment

Affect Reliability

Page 9: Validity & reliability  an interesting powerpoint slide i created

One more thing…

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

Page 10: Validity & reliability  an interesting powerpoint slide i created

REFERENCE

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

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Page 12: Validity & reliability  an interesting powerpoint slide i created