13Stanine (S) Cognitive Level S Very High 9 Above Average 7 & 8 Average 4, 5, & 6Below Average2 & 3Very Low1
14Three Primary Uses of CogAT Scores Help teachers adapt instructional goals, methods and materials to the individual needs of studentsMeasure of each student’s level of cognitive developmentIdentify student whose level of academic achievement differs from what would be expected on their CogAT scores
15What is ITBS? The Iowa Tests of Basic Skills is a norm-referenced test developed by the University of Iowa.It tests mastery of the academic skills found in the elementary curriculum.The purpose of these tests is to provide information about student progress in a curriculum that expands in breadth and depth with each additional grade level.
17What types of Scores for ITBS Appear on a Student Report? Standard Score (SS)Grade Equivalent (GE)National Percentile Rank (NPR)
18Percentile Rank (PR) Achievement Level NPR Very High 96-99 Above Average76-95Average25-75Below Average5-24Very Low1 - 4
19Grade Equivalent (GE)Grade equivalents are reported in decimal format. The number in front of the decimal is the grade level and the number after the decimal represents months. (e.g. 3.4 represents third grade, fourth month)GE does not indicate a student’s instructional level.GE allows for comparison of growth over time.
20GE Growth ComparisonsLow Performing student – less than 20 months gain in two yearsFall grade 5 – Fall grade 7 – 5.6Average Performing student – about a 20 month gain in two yearsFall grade 5 – Fall grade 7 – 7.2High Performing student – more than 20 month gain in two yearsFall grade 5 – Fall grade 7 – 8.8