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Update 220.127.116.11 (Feb 2020) introduces a powerful new tool - 'Subject Value Added' (SVA) - for key stage 4 series.
Based on actual exam results data from all secondary schools across England, 4Matrix have used the National Transition Matrices to calculate the average point score achieved per subject, by key stage 2 prior attainment. This will allow schools to measure past, present and future cohorts against national subject trends per subject, per group, and per pupil, to help determine if they are performing above, on, or below the national standard.
The Calculation differences between SVA and Subject P8
Similar to the existing 4Matrix-devised ‘Subject Progress 8’ scores, our new SVA measure looks at prior attainment compared with a pupil’s outcome to provide a value-added style score. However, SVA does not rely on any Progress 8 parameters and provides a more direct way of comparing your school’s subject performance against the same subject nationally.
SVA and Subject P8 Score Differences
There are a number of reasons why, for any given subject, the Subject VA and Subject P8 scores can be different.
An SVA score of above 0 signifies that the pupil (class/group/subject) have performed above the national average (leading to positive Value Added). Negative SVA signifies that pupils have performed below the national average (leading to negative Value Added).
For Subject P8 it’s not possible to quantify this. Generally it is more important to look at the ranking of subjects in the same basket.
It must always be noted that currently, national data used in SVA is based on the 2018/19 Y11 results and should be used with caution when applied to previous or current cohorts as it likely to change year-on-year.
Examples of the calculations are now available in the latest KS4 Guide (available through Help in 4Matrix) and full details, including worked examples, are in the P8 and SVA topics.
We have also published a mini-guide to Subject VA at this link https://www.4matrix.com/help/4m_sva.pdf
Article ID: 216
Category: Using 4Matrix
Date added: 18/02/2020 10:26:58
Views : 344
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