Experiments involve one variable and observing the effect on another variable.

manipulating

Explanation:

In the scientific method (more specifically in the experimental method), an experiment consists of observing a phenomenon under conditions that the researcher can control. In other words, we can say that an experiment involves manipulating one variable (independent variable) and observing the effect on another variable (dependent variable).

The hypothesis is the guide for what should and should not be observed, what to look for, or what experiments to do, in order to discover some law of nature. Experience is one of the fundamental empiricist approaches needed to expand human knowledge.

don't compare yourself to others, this is a big one because due to photoshop and surgery people have this unrealistic image of what they should look like in their head.

think about good qualities you have and jot them down so can go back when you're feeling down about yourself.

make sure you have good hygiene, bathing often, face routine, brushing teeth.

if you'd like to change something set a realistic goal! (;