Aresearcher is testing the effects of sunlight on depression. the dependent variable and the independent variable is

The dependent variable is the degree of depression and the independent variable is the amount of sunlight.

In experimental research, cause-effect relationships are usually analysed by testing the effect of independent variables over dependent variables. An easy way to tell one from the other is to think: independent causes a change in dependent.

By listening to other people and talking things out calmly instead of just fighting, if we did this everyone could get along and come up with compromises. If there was a part in school to teach how to do this and be kind to other people i’m sure this would also help and be an amazing idea.