This question is centered around t test for dependent means and coming up with an example. When looking at the parental involvement, which influences a child s GPA, would outside factors, such as study groups or self motivation, change the success results?

This question is centered around t test for dependent means and coming up with an example.
When looking at the parental involvement, which influences a child s GPA, would outside factors, such as study groups or self motivation, change the success results?