The method of item analysis which looks at the correlation between performance on an item (correct or incorrect)and total test score is
A)the extreme group method.
B)the tetrachoric method.
C)the point-biserial method.
D)the item characteristic curve method.

Question

Quizplus · Accepted Answer

The point-biserial method is used in item analysis to examine the correlation between individual item performance (whether a test taker answered an item correctly or incorrectly) and their total score on the test. This method helps in understanding how well an item discriminates between high and low performers on the test.

The Method of Item Analysis Which Looks at the Correlation