Examlex
Newtonian mechanics works for objects with large masses because
1) we have no method of measuring velocities to the accuracy required in quantum mechanics.
2) Planck's constant masks the uncertainties.
3) the uncertainty of the measurements is indistinguishable from zero.
Project Head Start
A scheme in the US offering extensive early childhood education, health care, nutritional support, and engagement opportunities for parents of families with low income.
Harold Stevenson
A psychologist known for his cross-cultural research in academic achievement and intelligence, particularly comparing the educational performances of children in the United States, China, and Japan.
Math Performance
The ability and efficiency in solving mathematical problems, reflecting one's proficiency in mathematics.
American Students
Refers to students who are studying or have studied in educational institutions in the United States.
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