Mind is better known than body due to its thinking ability.
Explanation:
Descartes argument was that the mind is better known than body because humans are rational, which means that humans has the ability to doubts, understands, affirms, denies, is willing, is unwilling etc. He argues that human has the ability to know their minds more clearly so we can say that the nature of the mind is better known than the nature of the body.
The dependent variables represent the output or outcome whose variation is being studied, in this case the results are being studied when the independent variable (the order of the questions) changes.
