how does the item properties affect the test results how do we calculate item information what is the difference between lltm and irt how does item information change with an IRT test what is the effect of items in ilr how does the calculation and interpretation of itr change with item properties? what is one item property on the lltm in arizona what is item property for integer regression what is ellt items what is each property of the lltm what is the item data in irt? what is the coefficient in linear logistic testing how does item information change during irt how does item information change in logistic regression how does item information change in linear logistic testing what is the function of item properties in illt testing what is linear logistic test lltm what is the coefficient for item property what is ill item properties what is one item in the logistic test