An Item Response Curve Is a Plot of the

Multiple Choice

An item response curve is a plot of the

A) frequency distribution of examinees at each total test score range who get the item right.
B) point-biserial correlations between item and total test scores.
C) proportion of examinees who get an item right against the proportion who get it wrong.
D) proportion of examinees who get an item right against an external or internal criterion.