To ensure the accuracy of the data you collect, the SEL assessment should be standardized and norm - referenced, ideally through a large and diverse national sample of students. (apertureed.com)
They are more at risk developmentally compared to middle - class children in national samples. (child-encyclopedia.com)
Using a large national sample, the researchers found that, on average, women faculty perform significantly more service than men. (sciencedaily.com)