To address the critical issues of U.S. competitiveness and to better prepare the workforce, A Framework for K-12 ... argumentation, and model development. The committee will illustrate with concrete ...

As students grow, they develop conceptual ... to their conceptual framework. Unfortunately, misconceptions tend to be difficult to change once they are connected to other concepts or misconceptions – ...

For economies that did not participate in the ICP 2021 cycle and, therefore, did not submit any data, PPPs were imputed based on a regression model using other official ... of economies and regions.