In the remaining 33 states, the Common Core standards were clearly superior to state standards in both math and English. The quality of standards is not the only determinant of educational progress, of course.
Independent Variable: An independent variable is the variable you have control over, what you can choose and manipulate. It is usually what you think will affect the dependent variable. In some cases, you may not be able to manipulate the independent variable. It may be something that is already there and is fixed, something you would like to evaluate with respect to how it affects something else, the dependent variable like color, kind, time.
Time-restricted feeding caused less weight gain than all-hour access for mice eating a high-fat, high-sugar diet over 12 to 26 weeks, and it also led to weight loss of up to 12 percent when applied to mice that were already obese.