Flashcard Set Preview
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| 1 |
Reliability and Classical Test Theory
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* consistency; do I get the same result everytime* when I measure someone their score is made...
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Reliability Coeficient
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* how much a person's observed scoere is made up of true score
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Type of Reliability
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* Test-Retest: connect stability with time - tested once, tested again later* Alternative forms...
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Factors that Affect Reliability
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* longer tests are always more reliable* increase homogeneous items with heterogeneous sample*...
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Standard Error of Measurement
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* each test has its own standard error of measurment* increase reliability - decrease standard...
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Content Validity
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* does a test meaure what it says it's going to measure? Content - based on expert judgment
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Construct Validity
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* something you cannot measure directly (i.e. intelligence) - give them your test and then...
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Criterior-related validity
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* job performance - relationship between predictor and criterior - neuropsych has a measure...
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Incremental Validity
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* Increase the number of correct hiring decisions3 Conditions1) low selection ratio - # of...
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Relationship between Reliability and Validity
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* Validity CANNOT exceed the square root of reliability
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Floor and Ceiling Effects
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* floor - enough easy itesm* ceiling - enough difficult items
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Norm referenced
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* you compared to everyone else
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Criterion Referenced
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* has nothing to do with other people, just your ability to perform
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