Table 1

Informed-Consent Quiz: Item Response Frequencies

Variablen%
1. How many therapy sessions will you be asked to attend if you decide to participate?
    a. 4 Sessions21.5
    b. 0 Sessions0
    c. 8 Sessions*12797.7
    d. None of the above10.8
2. Which of the following best describes the requirements for participation in the study?
    a. I can choose to participate in the study, and I can dropout at any time.*10681.5
    b. I can choose to participate but have to stay in the study.75.4
    c. I have to participate because of probation.86.2
    d. None of the above96.9
3. Which of the following are treatment types that you may receive according to the luck of the draw?
    a. Drug counseling (standard treatment at the clinic)10.7
    b. Motivational interviewing0
    c. Drug counseling and rewards for attending sessions and providing marijuana-free urine samples3224.6
    d. Any of the above*9774.6
4. Whom can you contact if you have any questions about the study?
    a. Kathleen Carroll, Ph.D.118.5
    b. Rajita Sinha, Ph.D.21.5
    c. Caroline Easton, Ph.D.64.6
    d. Any of the above*11185.4
  • n = 130, Range of weeks in treatment is 0 to 8. Range of quiz questions is 1 to 4.

  • * Correct response.