What is economics? why is it important to learn about the ideas that economics covers?

Which steps are important when designing and conducting a scientific experiment? hide the results from fellow scientists. identify the independent variable. eliminate all dependent variables. address any confounding variables. form a non-falsifiable hypothesis.

Read the following: (1) liz has become more responsive to her partner's advances since a really beautiful woman moved in next door; (2) unable to accept his desire for other young men, 15-year-old juan immerses himself into his studies; (3) shauntel tells people that her coworker mary dislikes her; though if she were honest, shauntel would realize that it is actually she who dislikes mary; (4) "ben's nasty; he's disgusting," says renee; but renee secretly finds ben attractive. describe the defense mechanism he or she is using.

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?