Lance states that he has never experienced any sexual attraction for either men or women, nor is he distressed by this lack of sexual desire. Lance is showing

Dr. Benjamin Rush treated yellow fever by bloodletting. He attributed each recovery to the bloodletting and each death to the severity of the yellow fever. What rule of science did he violate?

What will be an ideal response?

It is critical to understand that correlation

a. is equivalent to causation. b. involves three or more variables. c. does not necessarily indicate a cause-and-effect relation. d. is only useful for variables that the experimenter can manipulate. e. is not useful for hypothesis testing.