Background Paragraph: The example of someone having a positive experience with a drug is easy to see how drug dependence and the law of effect works. The tolerance for a drug goes up as one continues to use it after having a positive experience with a certain amount the first time.[38] It will take more and more to get that same feeling. This is when the controlled substance in an experiment would have to be modified and the experiment would really begin. The law of work for psychologist B. F. Skinner almost half a century later on the principles of operant conditioning, "a learning process by which the effect, or consequence, of a response influences the future rate of production of that response.[39]. 
Story: The Bennies Battalion met to discuss their experiences. They all said they always had a great experience using bennies and used the same amount each time. They told how many times they used bennies. Kathryn used it 26 times, Louise used it 30 times, Sara used it 34 times, Anne used it 46 times, Jacqueline used it 59 times, Wanda used it 68 times, and Bonnie used it 76 times.
Who has a higher tolerance for bennies: Anne or Bonnie? Who has a higher tolerance for bennies: Anne or Wanda? Who has a higher tolerance for bennies: Jacqueline or Bonnie? Who has a higher tolerance for bennies: Kathryn or Bonnie? Who has a higher tolerance for bennies: Kathryn or Wanda? Who has a higher tolerance for bennies: Louise or Bonnie? Who has a higher tolerance for bennies: Louise or Wanda? Who has a higher tolerance for bennies: Sara or Bonnie? Who has a higher tolerance for bennies: Sara or Wanda? Who has a higher tolerance for bennies: Wanda or Bonnie?