An independent variable is a variable that is controlled in the experiment to test whether there will be an effect on the dependent variable. So in the experiment, the independent variable is the color of the feeder because Jamal wants to know if there is an effect if he uses red feeders on the hummingbirds. This is the one being controlled by Jamal because he can use a variety of colors of the feeders.
The French did not want to free their slaves so the slaves revolted against their masters.
I believe the answer is Dunning-Kruger effect
Dunnig-Kruger effect happens when <span> Someone with low ability suffer from illusory superiority,
This make them actually believe that they're actually better than other people even though they do not possess any actual achievement/proof to backed their perception.</span>