This document is provided by the State of California and illustrates that API scores are correlated with specific traits found among students. These traits include:
A. English learners (negative correlation)
B. Title 1 status (negative correlation)
C. Parent's education level (positive correlation)
The correlations for these three are extremely strong. Negative correlation means that the scores are lower with this trait while positive correlation means that scores are higher with this trait.
This is a post hoc analysis. This means that is not a prediction of performance or a controlled experiment. It is merely an analysis of history.
The tables of correlations are found in the back of the document.
API Trends - CA State Report 2008-09
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