The table below shows estimated future cost-of-living adjustments (COLAs) and estimated future percentage increases in the national average wage index (AWI). These estimates are derived from the intermediate assumptions in the 2015 Trustees Report.he table below shows estimated future cost-of-living adjustments (COLAs) and estimated future percentage increases in the national average wage index (AWI). These estimates are derived from the intermediate assumptions in the 2015 Trustees Report.
Item Analysis. Item Analysis is an important (probably the most important) tool to increase test effectiveness. Each items contribution is analyzed and assessed. To write effective items, it is necessary to examine whether they are measuring the fact, idea, or concept for which they were intended.
Analysis Report and improve the effectiveness of test items and the validity of test scores. an item correctly indicates the difficulty level of the item. the less difficult the item was. scores if its difficulty index is approximately 0.5 (i.e. 50% of the students got it right).