What is the first step in developing a psychometrically valid assessment?
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Proper test design begins with clearly defining what you want to measure.
Which of these is a key characteristic of a good test item?
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Effective test items should measure the intended construct without ambiguity.
What does 'item discrimination index' measure in test development?
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This psychometric property indicates how well an item differentiates between high and low performers.
Why is pilot testing important in assessment development?
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Pilot testing provides empirical data to evaluate and improve test items.
What is the purpose of a test blueprint?
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A test blueprint ensures content validity by mapping questions to specific domains.
Which statistical measure indicates test reliability?
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Reliability coefficients quantify the consistency of assessment results.
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What is the ideal difficulty index (p-value) for a multiple-choice item in a norm-referenced test?
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Optimal difficulty depends on the test's purpose and reference framework.
Which factor is most important when designing a computer-adaptive test?
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CATs dynamically adjust question difficulty based on ongoing performance.
What is the primary purpose of conducting differential item functioning (DIF) analysis?
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DIF helps ensure test fairness across different demographic groups.