"Scaling" is the process of constructing a score scale that associates numbers or other ordered indicators with the performance of examinees. Scaling typically is conducted to aid users in interpreting test results. This module describes different types of raw scores and scale scores, illustrates how to incorporate various sources of…

This report contains tables of District summary data for the achievement tests administered in the spring of the 1982-83 school year to all Austin Independent School District students in grades K-12. The Iowa Tests of Basic Skills (ITBS) were administered in grades K-8, the Sequential Tests of Educational Progress (STEP) were administered in…

VARIOUS PERFORMANCE PATTERNS WERE STUDIED TO DETERMINE IF EARLY LIMITED FAILURE LEADS TO GENERALIZED FAILURE IN A NUMBER OF AREAS. THE SUBJECTS, 258 DISADVANTAGED URBAN CHILDREN FROM FOUR SCHOOL DISTRICTS IN IOWA, HAD ONE OR MORE SCORES ON THE IOWA TEST OF BASIC SKILLS (ITBS) AT OR BELOW THE 33D PERCENTILE ON NATIONAL NORMS. THEIR PERFORMANCES ON…

This study investigated how the 1998 Iowa Tests of Basic Skills (ITBS) achievement test scores of retained students in third grade (15% of students tested), sixth grade (10%), and eighth grade (4.6%) affect the citywide results in those grades and in subsequent grades. In third, sixth, and eighth grades, when the scores of retained students are…

The major purpose of this study was to ascertain the reading and math progress made by Title I eligible intermediate grade students who lived and attended school in the Minneapolis Public Schools Target Area. A comparison group of students was also selected for study from a non-target school. The study population was all 1969-70 fourth graders…

Using the grade equivalent composite scores on the Iowa Tests of Basic Skills of Iowa fourth grade public school pupils who took the tests in January 1970, a study was made to determine the relative precision with which an estimate could be made of the individual percentile norms from different types of cluster sample designs. Five scores ranging…

This report presents elementary school test trend data for the Chicago Public Schools (CPS), Illinois for 2000 for the Iowa Tests of Basic Skills (ITBS). In spring 2000, ITBS trend data show that mathematics test scores in the CPS elementary schools continue their long-term improvements for all age levels. Positive trends in ITBS reading scores…

This report tracks student performance on the Iowa Tests of Basic Skills (ITBS) in the Chicago Public Schools' (CPS) elementary schools in 2001. To make valid cross-year comparisons, this update adjusts statistics reported by the CPS by establishing a common procedure over time for including bilingual education students. Test scores are tracked by…

Examined the trajectory of change in scores on the Iowa Tests of Basic Skills of low-income, urban third and fourth graders enrolled in classrooms in which the Work Sampling System (WSS) had been used at least 3 years. Results for 2,564 students show academic gains associated with the WSS. (SLD)

This report examines the overlap between student test results on the Iowa Test of Basic Skills (ITBS) and the Washington Assessment of Student Learning (WASL). The two tests were compared and contrasted in terms of content and measurement philosophy, and analyses studied the statistical relationship between the ITBS and the WASL. The ITBS assesses…

This report contains state and school district student testing results for the Oklahoma Testing Program for the 1998-99 school year. Several benchmarks are reported, including the Iowa Tests of Basic Skills (ITBS), Oklahoma Core Curriculum Tests (OCCT), and American College Test Assessment (ACT) results. The National Assessment of Educational…

Richard Rothstein's booklet "What Do We Know About Declining (Or Rising) Student Achievement?" claims that anecdotes about past educational practices are unreliable and difficult to relate to today's schools. Curricula and tests change; so do student populations. There are no solid historical measures, including three well-known…

When used appropriately, standardized assessments can assist education reform by tracking individual or group progress and achievement levels and indicating college readiness. Credibility and validity can be improved by preventing student exclusions, using multiple indicators, stressing year-to-year performance, monitoring consequences, and…