Which of the following is an accurate list, in order, of the steps of the scientific process?

a.	define variables; state assumptions; form a hypothesis; test
b.	state assumptions; define variables; form a hypothesis; test
c.	identify variables; state assumptions; test; form a hypothesis
d.	identify variables; form other things equal assumptions; form behavioral assumptions; test
e.	form other things equal assumptions; form behavioral assumptions; form hypothesis; test