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item characteristic function
item classification
item cost
item designation
item difficulty
item difficulty
item difficulty
item difficulty graded test
item difficulty gradient
item discrimination
item discrimination
item-entry system
item expression
item facility
item in tariff
itemized deduction
itemized deduction
itemized index
itemized rating scale
itemized record
item non-response
item of business
item of expenditure
item of health insurance
item of insurance
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