Other questions in this quiz

2. 15 participants had...

  • doubled their cocaine usage
  • started using cocaine or increased usage
  • stopped using cocaine altogether

3. Did participants continue to live and work in their natural environment during the study?

  • Yes
  • No

4. By the end of the study, the number of addicts using cocaine on a daily basis had dropped by more than ...

  • 80%
  • 56%
  • 72%
  • 12%

5. 84 addicts reported working in the sex trade at the beginning; at the end this had dropped to...

  • 3
  • 71
  • 7
  • 24

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