Please assess the completion status of the following clinical trial:

Trial Title: Long-term Behavior Change - 1

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* Meet Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) criteria for methamphetamine dependence~* Willing and able to comply with study procedures~* Willing and able to provide written informed consent~Exclusion Criteria:~* Have a medical condition that, in the study Principal Investigator (PI's) judgment, might interfere with safe study participation~* Have a recent (past 30 days) history of suicide attempts and/or current serious suicidal intention or plan as assessed by the Beck Depression Inventory (BDI)~* Have a history of violent criminal behavior or be on parole~* Any other circumstances that, in the opinion of the PI, would interfere with safe study participation

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 65 Years
- Healthy Volunteers: f

Study Arms:
- continuous voucher schedule (Type: EXPERIMENTAL): Those in the continuous condition will receive a contingency management voucher each time they test negative for methamphetamine. The initial voucher value will be $2.50. Each consecutive instance of abstinence will increase the magnitude of the voucher by $1.50. Three consecutive abstinences will result in the delivery of a $10.00 bonus. Provision of a methamphetamine-positive urine sample, or failure to test, will result in a reset in the voucher magnitude back to its original level from whence the progression can begin again. All participants will provide observed urine samples three times a week (e.g., M, W, \& F) for twelve weeks and will complete study-related measures one time per week.
- intermittent predictable schedule (Type: EXPERIMENTAL): Those in the intermittent predictable condition will earn a contingency management voucher when they provide three consecutive methamphetamine-negative urine tests. Participants in the intermittent predictable condition will receive $22.00 for the provision of their first three consecutive methamphetamine-negative urine samples, $35.50 for the provision of their second set of three consecutive instances of methamphetamine-negative urine samples, and so forth. There are no bonuses for consecutive instances of abstinence in the intermittent predictable condition. Provision of a methamphetamine-positive urine sample, or failure to test, will result in a reset in the voucher magnitude back to its original level from whence the progression can begin again. All participants will provide observed urine samples three times a week (e.g., M, W, \& F) for twelve weeks and will complete study-related measures one time per week.
- intermittent unpredictable schedule (Type: EXPERIMENTAL): Those in the intermittent unpredictable condition will be eligible to receive a contingency management voucher on one day a week. Participants in this group will receive a voucher for $22.00 following their first 3 methamphetamine-negative urine tests. They will then be eligible to receive a voucher one day a week if all of their urine tests since the receipt of their last voucher were methamphetamine negative. They will receive a voucher for $35.50 for the provision of their second set of 3 consecutive instances of methamphetamine-negative urine samples, $49.00 for their third set of 3 consecutive instances, and so forth. The day of the week on which the voucher will be available will be randomly selected for each week and the participants will not know which day of the week they will be eligible to receive a voucher until they have provided their urine test. All participants will provide observed urine samples M, W, \& F for 12 wks and complete measures 1x/wk.
- standard (Type: NO_INTERVENTION): Participants assigned to the standard condition will not receive vouchers for the provision of clean urines. All participants will provide observed urine samples three times a week (e.g., M, W, \& F) for twelve weeks and will complete study-related measures one time per week.

Based on this trial design, predict the completion outcome and termination type (if applicable).

Answer: outcome: complete