Define item analysis as used in educational measurements Distinguish between item difficulty and item discrimination The...

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Define item analysis as used in educational measurements Distinguish between item difficulty and item discrimination The following are analyses for the first three items of a test. ITEM #1 High achievers Low achievers 4 0 5 Difficulty Discrimination index index 4 0.8 3 0.3 1 0.6 Calculate the D indices of the items (assume ten candidates were tested)(6 marks) #2 #3 i. ii. Briefly comment on your results above. List six reasons why examinations are important to students in school. Define item analysis as used in educational measurements Distinguish between item difficulty and item discrimination The following are analyses for the first three items of a test. ITEM #1 High achievers Low achievers 4 0 5 Difficulty Discrimination index index 4 0.8 3 0.3 1 0.6 Calculate the D indices of the items (assume ten candidates were tested)(6 marks) #2 #3 i. ii. Briefly comment on your results above. List six reasons why examinations are important to students in school.

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1 In educational measurement item analysis is the statistical procedure used to examine how well each test item or question performs in an assessment Examining each items efficacy complexity discrimin... View the full answer