why selection bias is the most powerful force in education
freddiedeboer.substack.com
Imagine that you are a gubernatorial candidate who is making education and college preparedness a key facet of your campaign. Consider these two state average SAT scores. Quantitative Verbal Total Connecticut 450 480 930 Mississippi 530 550 1080 Your data analysts assure you that this difference is statistically significant. You know that SAT scores are a strong overall metric for educational aptitude in general, and particularly that they are highly correlated with freshman year performance and overall college outcomes. Those who score higher on the test tend to receive higher college grades, are less likely to drop out in their freshman year, are more likely to complete their degrees in four or six years, and are more likely to gain full-time employment when they’re done.
why selection bias is the most powerful force in education
why selection bias is the most powerful force…
why selection bias is the most powerful force in education
Imagine that you are a gubernatorial candidate who is making education and college preparedness a key facet of your campaign. Consider these two state average SAT scores. Quantitative Verbal Total Connecticut 450 480 930 Mississippi 530 550 1080 Your data analysts assure you that this difference is statistically significant. You know that SAT scores are a strong overall metric for educational aptitude in general, and particularly that they are highly correlated with freshman year performance and overall college outcomes. Those who score higher on the test tend to receive higher college grades, are less likely to drop out in their freshman year, are more likely to complete their degrees in four or six years, and are more likely to gain full-time employment when they’re done.