Page 16 - Test Report: Reading and Listening Test for A2 Level
P. 16

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               4.2 Item Discrimination

                       4.2.1 Item Discrimination Indices

                  Item             A                   B                   C                   D
                            High      Low       High       Low      High       Low      High       Low

                    1         1         0         0         0         0         1         1         1

                    2         0         1         0         1         2         0         0         0

                    3         1         0         1         1         0         0         0         1
                    4         0         0         0         0         0         1         2         1

                    5         2         1         0         1         0         0         0         0

                    6         2         2         0         0         0         0         0         0
                    7         0         0         2         1         0         0         0         1

                    8         2         0         0         0         0         1         0         1

                    9         1         1         0         0         1         1         0         0
                   10         0         1         0         1         0         0         2         0

                   11         0         1         2         1         0         0         0         0

                   12         0         0         2         1         0         0         0         1
                   13         2         0         0         1         0         1         0         0

                   14         2         1         0         1         0         0         0         0

                   15         0         1         0         0         2         1         0         0
                   16         2         0         0         1         0         0         0         1

                   17         0         1         2         0         0         0         0         1

                   18         2         2         0         0         0         0         0         0
                   19         0         1         0         1         0         0         2         0

                   20         2         0         0         0         0         1         0         1

                   21         0         0         0         2         0         0         2         0
                   22         2         0         0         1         0         1         0         0

                   23         0         0         0         1         2         1         0         0

                   24         2         0         0         1         0         1         0         0
                   25         0         1         0         0         1         1         1         0

                   26         2         0         0         0         0         1         0         1

                   27         0         0         0         1         0         1         2         0
                   28         2         2         0         0         0         0         0         0
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