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Introduction

Validity and Defensibility

Please evaluate the following statements regarding the validity and defensibility of assessments: You will be scored +1 for getting a question right, -1 for getting it wrong and 0 for not knowing or leaving unanswered.


Question

An invalid test can never be reliable

Question

Cronbach's Alpha is a measure of internal score consistency

Question

Predictive validity is essentially a non-quantifiable concept 

Question

The correlation of scores between two different exams about the same subject area is a measure of test retest reliability

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The longer the test the more defensible it is likely to be