What Do Psychologists Do to Determine Whether the Variables in Their

Multiple Choice

What do psychologists do to determine whether the variables in their research are related,or whether there is a true difference between their groups?

A) They do a visual inspection of their data and see if there are any obvious trends.
B) They rely in impressions or logic.
C) They use statistics as a tool.
D) They compare their findings to previous work in the area.