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Examen
Psyc 516 Chapter 6 - Reliability
Psyc 516 Chapter 6 - Reliability 
Item Analysis ️Examining whether the test/measure did what it should have done 
* Discriminate between those who know the material and those who do not. 
* Often used with multiple choice tests 
* Includes item difficulty, test difficulty, and item discrimination 
Quantitatively examining individual items within a test 
* See which items aren't functioning right, poorly worded. Re-write or drop items 
Item Difficulty ️Percentage (or proportio...