Joey Put a Quarter in the Gumball Machine,only to Find

Multiple Choice

Joey put a quarter in the gumball machine,only to find that the machine was not working.He continued to turn the dial on the machine in hope that he would retrieve a gumball.Unfortunately,after several minutes of forcefully turning the dial,he still did not retrieve a gumball.As a result,he kicked the machine several times.Kicking the machine is an example of ________.

A) persistence
B) increasing efforts
C) varying efforts
D) aggression