Data Description RESEARCH FINDINGS

There are the differences of index of each item in this level but still included in the same range that is more than 0.70 as easy level in term difficulty level and the range less than 0.20 as poor quality in term discriminating power. 3. There are 8 items which are included in easy level and good quality, those are items number 3, 14, 20, 22, 23, 27, 29, and 36. There are the differences of index of each item in this level but still included in the same range that is more than 0.70 as easy level in term difficulty level and the range 0.40 to 0.70 as good quality in term discriminating power. 4. There are 5 items which are included in moderate level and poor quality, those are items number 4, 12, 16, 33, and 35. There are the differences of index of each item in this level but still included in the same range that is 0.30 to 0.70 as moderate level in term difficulty level and the range less than 0.20 as poor quality in term discriminating power. 5. There are 4 items which are included in moderate level and excellent quality, those are items number 13, 41, 42, and 45. There are the differences of index of each item in this level but still included in the same range that is 0.30 to 0.70 as moderate level in term difficulty level and the range 0.70 to 1.00 as excellent quality in term discriminating power. 6. There are 3 items which are included in difficult level and poor quality, those are items number 18, 30, and 32. There are the differences of index of each item in this level but still included in the same range that is less than 0.30 as difficult level in term difficulty level and the range less than 0.20 as poor quality in term discriminating power . 7. There are 6 items which are included in moderate level and good quality, those items are 19, 21, 24, 26, 28, and 40. There are the differences of index of each item in this level but still included in the same range that is 0.30 to 0.70 as moderate level in term difficulty level and the range 0.40 to 0.70 as good quality in term discriminating power.