Test

Table 9 represents Item Facility and Item Discrimination of each Item , as follows:

Item CH CL ID IF Comment

1 8 8 0 0.88 Discrimination power of this item is worst. IF shows that it is too easy item that all of the students answer correctly. So, it should be removed or edited.

2 5 2 0.33 0.39 This is an almost acceptable item. IF shows that its difficulty is acceptable and ID shows that it has discriminating power.

3 6 6 0 0.67 Although IF Shows that it is an almost acceptable item, it has no discriminating power.

4 5 0 0.55 0.28 ID of this item is really good and an acceptable one. IF shows that it is difficult. But it is a good item

5 5 7 -0.22 0.67 IF shows that this item is almost an acceptable One. But ID is negative which means that it is a tricky item. Low group answered it better. So, it should be modified.

6 9 9 0 1 IF is one which means that it is a too easy item and it has no discriminating power. All of the students answered it correctly.

7 9 9 0 1 This item should be removed, because it has no discriminating power or difficulty.

8 8 7 0.11 0.83 IF is more than 0.63. So it means that it is an extremely easy item. Consequently the discriminating power of this item is low.

9 9 8 0.11 0.94 It is a too easy item. ID shows that it doesn't have discriminating power. Almost all of the students answered it correctly. It should be removed

10 2 2 0 0.22 IF shows that it is a really difficult item, and ID of this item is zero which is not acceptable. So, it should be modified

11 9 6 0.33 0.83 IF shows that this item is extremely easy. But the discriminating power of the item is acceptable.

12 8 8 0 0.88 ID of this item is zero which is worst, and IF shows that it is an easy item.

13 8 7 0.11 0.83 ID of this item is lower tha...

... middle of paper ...

...able items and the amount of the reliability of 0.47 showed that the test is a good criterion referenced test which can test the achievement of the students.

Reference

Bachman, L. F. (1995). Fundamental considerations in language testing. Oxford: Oxford University Press

Bachman, L. F. & Palmer, A. S. (2000).Language testing in practice. Oxford: Oxford University Press.

Brown, J. D. (2005).Testing in language programs: A comprehensive guide to English language assessment. New York: Mc Graw Hill

Brown, H. D. (2004).Language assessment: principles and classroom practices. Pearson Longman

Farhady, H. & Jafarpour, A. & Birjandi, P. (2013).Testing language skills: from theory to practice. Tehran:SAMT

Appendix:

Midterm Exam

MA Students of TEFL

Course:

Psychology of Language

Fifth Edition

David W. Carroll

Chapter 1-6