The better the grades elizabeth receives in school, the better paying job she is likely to get". in this example grades are the variable and occupational income is the variable.

grades are independent variables while occupational income is a dependent variable.

A dependent variable is a variable being tested and measured which is the occupational income.

An independent variable is the one that is changed or controlled to test the effects on the dependent variable (income). In this case, the grades of Elizabeth.

The better the grades Elizabeth receives in school, the better paying job she is likely to get.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.