Move your mouse over the circles to view country names, and then click to view their profiles. Note: It will take several minutes to draw this plot the first time you view it. After that
all plots should appear much more quickly.
Strength of correlation (R squared): 0.602 (this correlation is potentially significant)
The percentage of students that achieved a scale score in the subject of Science at or above the level of Advanced.
Advanced implies superior performance.
The percentage of students that achieved a scale score in the subject of Reading at or above the level of Proficient.
Proficient implies solid academic performance for each grade assessed. Students reaching this level have demonstrated competency over challenging subject matter, including subject-matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to the subject matter.
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