Taci finds a correlation between a manual dexterity test and performance of .30. She squares this value and obtains a value of .09. This value of .09 represents the:

Which of the following stimulant drugs have been used as performance enhancers in athletic competitions?

A. strychnine B. cocaine C. caffeine D. all of the above

If you remember that the cerebellum controls coordination by picturing someone named "Sarah Bellum," who is very coordinated, then you are using a

a. lisan device. b. signal word. c. retriever. d. mnemonic.