norms

Spring 2023 CTP Norms Update

By ERB Team / February 28, 2023

By Adrienne Hu and Glenn Milewski For the Spring 2023 reporting cycle, the rolling norm continues to use four consecutive years of data. CTP norms are typically updated annually for each reporting cycle (fall and spring). These “rolling norms” as they are often called, are obtained after gathering three years of data, and in the fourth year, deleting the earliest year and adding data from the most recent administration. During the pandemic, however, when many member schools suspended in-person testing, ERB “froze” the CTP norms.  Instead of updating them with limited data from that unusual moment in history, ERB provided […] read more

How to Interpret the New Milestones Norms

By Glenn Milewski / September 14, 2022

After two years of administration, ERB determined that it collected sufficient data to construct norms based on actual Milestones test-takers. These norms better reflect students’ performance on Milestones and are more useful to members interpreting results. […] read more

All About the Data – Understanding CTP Norms

By Glenn Milewski / September 13, 2022

As the 2022-2023 school year gets underway, we want to update you on the latest with CTP norms and explain how we developed the current CTP norms in relation to pre and post-pandemic data. […] read more

Virtual Office Hours: Understanding ERB’s Updated CTP Norms

By ERB Team / April 8, 2022

On March 22, 2022 Glenn Milewski, Chief Program Officer at ERB, and Jason Lasnetski, Senior Member Services Director, discussed the newly updated Independent School and Association Norms that have been released for Spring. Glenn and Jason discussed which norms were updated, changes to how norms are calculated, and the impact we saw from Covid. Read the full blog post… Read Glenn Milewski and Adrienne Hu’s full explanation of the updated CTP norms. […] read more

Understanding ERB’s Updated CTP Norms

By Glenn Milewski / March 15, 2022

By Glenn Milewski and Adrienne Hu Introduction At ERB, our goal is to help schools see the potential in every student.  We believe a great way to do this is by offering assessments at various points of a student’s career and enabling educators to explore and extract insight from assessment data using 360 Access.   One way our members understand student learning is by comparing their assessment results to ERB norms.  The purpose of norms is to describe the test performance of a reference group of test-takers. Norms are useful only insofar as the data sets used to compute them represent […] read more

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